Calculator Directory

Calculators

Lease Calculator
How much will my lease payment be? This calculator lets you calculate your estimated lease payments.

Dynamic Symmetry Calculator
The number Phi occurs has been used to design many buildings from the ancient Parthenon in Athens (400BC) to Le Corbusier's United Nations building in New York. It was well known by artists such as Leonardo da Vinci and musicians too from composers like Bartok to the famous violin maker Stradivari.

The Dynamic Symmetry Calculator, allows you to quicly calculate the smaller and larger lengths base on a given length.
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Dynamic Symmetry Sensitivity Calculator
A golden rectangle has proportions which the ancient Greeks felt were the most aesthetically pleasing of all rectangles, its dimensions determined the shape of many famous buildings, or works of art.

Dynamic Symmetry Sensitivity Calculator allows you to calculate your sensitivity to Dynamic Symmetry, based on golden rectangles.
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Simple Area Calculator
This calculator allows you to calculate a simple rectangular area. Works both in metric and imperial units. Can be used for Architecture, Interior Design, and Home Improvements.
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Simple Length Adding Calculator
This calculator allows you to calculate the total length of two lines, given two lengths in composit units, like feet and inches. Works both in metric and imperial units.
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Simple Tiling Calculator
This calculator allows you to calculate how many tiles you need to cover a simple rectangular area. Works both in metric and imperial units. Works for both rectangular and square tiles. Can be used for Architecture, Interior Design, and Home Improvements.
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Currency Calculator
Calculate currencies.

Currency Conversion Calculator
Easy to use and fast results! Customize with your choice of up to 35 currencies. Exchange Rates updated daily!
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Home Equity Calculator
Use this calculator to see how much you may be eligible to borrow.
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How much House can I afford Calculator
This calculator estimates the value of a house based on your income, dept etc.
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Mortgage Payment Calculator
This calculator estimates mortgage payment and interest, it can also calculate prepayments. It also creates Amortization tables
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Mortgage Qualification Calculator
This calculator estimates what kind of income lenders will expect you to be making to qualify for the specific values.
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Rent versus Buy Calculator
This calculator allows you to compare renting versus buying by entering how much you want to spend a month and how much down you would put into your house.
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Simple Mortgage Payment Calculator
This calculator estimates mortgage payment and interest. It also creates Amortization tables
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How much do I keep in stocks and bonds?
This calculator allows you to calculate for a given investment amount, how much to keep in stocks and how much in bonds.
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Loan Calculator
Standard Loan Calculator
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Loan Comparison Calculator
This calculator allows you to do some interesting comparison of loans. You can compare loans with different balances, rates and payments and see how much interest you save as the loan progresses. This is good for comparing loans for a refinance to see how long it will take to recoup closing costs.
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How long until you're a millionaire?
Calculate how long it will take until you reach your desired account balance. Of course that amount won't be worth the same, way in the future. If you put in an inflation factor, you will see what it'll be worth then.
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How much will my lease payment be?
Lease Payment Calculator
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RealLove Calculator
Calculates compatibility base on both the the Western and the Eastern Astrology Signs.
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Love Calculator
Knowing that names are not randomly chosen and they all have a meaning we created the Love Calculator to help you find out what the chances for you and your dream partner or crush are.

Calculate your Body-mass Index
Your body-mass index ("BMI") measures your height/weight ratio.
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Calculate your Body-mass Index - Metric
Your body-mass index ("BMI") measures your height/weight ratio.
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High Performance Bass Boat Speed Calculator
High Performance Bass Boat Speed Calculator

Enter your engine RPM, Prop Pitch in inches, and Gear Ratio and find out how fast your bass boat really goes!
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Fractions Calculator

Percent Comparison Calculator
This calculator allows you to calculate and compare the Percentage or the Precent Rate or an Amount. If you know two of the three values.
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Percentage Calculator
Calculate percent amount, increased amount and decreased amount.

Percent Calculator
This calculator allows you to calculate the Percent Amount or the Precent Rate or an Amount.

Standard Calculator
Calculate standard calculations, addition, subtraction, multiplication, division.

Temperature Calculator
This calculator allows you to convert between temperature degrees from Celsius to Fahrenheit and Fahrenheit to Celsius
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All Temperature Calculator
Conversion between units of measurement for temperature.

Celsius to Delisle Calculator
Conversion from Celsius to Delisle.

Celsius to Fahrenheit Calculator
Conversion from Celsius to Fahrenheit.

Celsius to Kelvin Calculator
Conversion from Celsius to Kelvin.

Celsius to Newton Calculator
Conversion from Celsius to Newton.

Celsius to Rankine Calculator
Conversion from Celsius to Rankine.

Celsius to Réaumur Calculator
Conversion from Celsius to Réaumur.

Celsius to Rømer Calculator
Conversion from Celsius to Rømer.

Delisle to Celsius Calculator
Conversion from Delisle to Celsius.

Delisle to Fahrenheit Calculator
Conversion from Delisle to Fahrenheit.

Delisle to Kelvin Calculator
Conversion from Delisle to Kelvin.

Delisle to Newton Calculator
Conversion from Delisle to Newton.

Delisle to Rankine Calculator
Conversion from Delisle to Rankine.

Delisle to Réaumur Calculator
Conversion from Delisle to Réaumur.

Delisle to Rømer Calculator
Conversion from Delisle to Rømer.

Fahrenheit to Celsius Calculator
Conversion from Fahrenheit to Celsius.

Fahrenheit to Delisle Calculator
Conversion from Fahrenheit to Delisle.

Fahrenheit to Kelvin Calculator
Conversion from Fahrenheit to Kelvin.

Fahrenheit to Newton Calculator
Conversion from Fahrenheit to Newton.

Fahrenheit to Rankine Calculator
Conversion from Fahrenheit to Rankine.

Fahrenheit to Réaumur Calculator
Conversion from Fahrenheit to Réaumur.

Fahrenheit to Rømer Calculator
Conversion from Fahrenheit to Rømer.

Kelvin to Celsius Calculator
Conversion from Kelvin to Celsius.

Kelvin to Delisle Calculator
Conversion from Kelvin to Delisle.

Kelvin to Fahrenheit Calculator
Conversion from Kelvin to Fahrenheit.

Kelvin to Newton Calculator
Conversion from Kelvin to Newton.

Kelvin to Rankine Calculator
Conversion from Kelvin to Rankine.

Kelvin to Réaumur Calculator
Conversion from Kelvin to Réaumur.

Kelvin to Rømer Calculator
Conversion from Kelvin to Rømer.

Newton to Celsius Calculator
Conversion from Newton to Celsius.

Newton to Delisle Calculator
Conversion from Newton to Delisle.

Newton to Fahrenheit Calculator
Conversion from Newton to Fahrenheit.

Newton to Kelvin Calculator
Conversion from Newton to Kelvin.

Newton to Rankine Calculator
Conversion from Newton to Rankine.

Newton to Réaumur Calculator
Conversion from Newton to Réaumur.

Newton to Rømer Calculator
Conversion from Newton to Rømer.

Rankine to Celsius Calculator
Conversion from Rankine to Celsius.

Rankine to Delisle Calculator
Conversion from Rankine to Delisle.

Rankine to Fahrenheit Calculator
Conversion from Rankine to Fahrenheit.

Rankine to Kelvin Calculator
Conversion from Rankine to Kelvin.

Rankine to Newton Calculator
Conversion from Rankine to Newton.

Rankine to Réaumur Calculator
Conversion from Rankine to Réaumur.

Rankine to Rømer Calculator
Conversion from Rankine to Rømer.

Réaumur to Celsius Calculator
Conversion from Réaumur to Celsius.

Réaumur to Delisle Calculator
Conversion from Réaumur to Delisle.

Réaumur to Fahrenheit Calculator
Conversion from Réaumur to Fahrenheit.

Réaumur to Kelvin Calculator
Conversion from Réaumur to Kelvin.

Réaumur to Newton Calculator
Conversion from Réaumur to Newton.

Réaumur to Rankine Calculator
Conversion from Réaumur to Rankine.

Réaumur to Rømer Calculator
Conversion from Réaumur to Rømer.

Rømer to Celsius Calculator
Conversion from Rømer to Celsius.

Rømer to Delisle Calculator
Conversion from Rømer to Delisle.

Rømer to Fahrenheit Calculator
Conversion from Rømer to Fahrenheit.

Rømer to Kelvin Calculator
Conversion from Rømer to Kelvin.

Rømer to Newton Calculator
Conversion from Rømer to Newton.

Rømer to Rankine Calculator
Conversion from Rømer to Rankine.

Rømer to Réaumur Calculator
Conversion from Rømer to Réaumur.

Time Calculator
Find out what time it is in cities around the world.

Advance Units Converter
Advance Units Converter based on the linux/unix program "Units" by Adrian Mariano. It supports 2083 units, 71 prefixes, 32 nonlinear units.
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Units Converter
Convert units of distance, weight and volume.

Graphing calculator
A nice and simple graphing calculator.

Online Scientific Calculator
A simple and handy scientific calculator.

Scientific Calculator
Calculate problems in science, engineering, and mathematics.

Soccer Statistics Calculator
This calculator gives you all of the normally kept soccer statistics.
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You can use these calculators to calculate forage seed mixture, seed rate and determine if and when to treat strawberry root weevil in peppermint.

Forage Seed Mixture Calculator
This calculator will calculate a mix and estimate a seed density for drills or broadcast seedings for any grouping of plant species in the list. Some mixtures will not flow through all drills, some species and mixtures may not grow in your area. Do not waste seed. Consult a knowledgable seed or forage specialist for an appropriate species mixture.

EIL/Seq. Sampling Calculator
This utility program provides a simple way to determine if and when to treat strawberry root weevil in peppermint, for Oregon and areas where conditions are similar.


You can use these calculators to calculate rectangular and round bins for a variety of grains, and how much barley seed you need to plant to obtain the desired plant population.

Barley, General Purpose Seeding Rate Calculator
Use this calculator to decide how much seed you need to plant to obtain the desired plant population and calibrate your seeder.

Barley. Calculator for Rectangular Bin
Calculate barley for rectangular bin.

Barley. Calculator for Round Bin
Calculate barley for a round bin.

Canola. Calculator for Rectangular Bin
Calculate canola for a rectangular bin.

Canola. Calculator for Round Bin
Calculate canola for a round bin.

Ear Corn. Calculator for Rectangular Bin
Calculate ear corn for a rectangular bin.

Ear Corn. Calculator for Round Bin
Calculate ear corn for a round bin.

Flax. Calculator for Rectangular Bin
Calculate flax for a rectangular bin.

Flax. Calculator for Round Bin
Calculate flax for a round bin.

Oats. Calculator for Rectangular Bin
Calculate oats for a rectangular bin.

Oats. Calculator for Round Bin
Calculate oats for a round bin.

Rapeseed. Calculator for Rectangular Bin
Calculate rapeseed for a rectangular bin.

Rapeseed. Calculator for Round Bin
Calculate rapeseed for a round bin.

Round Bin Volume Calculator
This calculator will estimate the contents of a round grain bin filled to various heights.

Rye. Calculator for Rectangular Bin
Calculate rye for a rectangular bin.

Rye. Calculator for Round Bin
Calculate rye for a round bin.

Shell Corn. Calculator for Rectangular Bin
Calculate shell corn for a rectangular bin.

Shell Corn. Calculator for Round Bin
Calculate shell corn for a round bin.

Sorghum. Calculator for Rectangular Bin
Calculate sorghum for a rectangular bin.

Sorghum. Calculator for Round Bin
Calculate sorghum for a round bin.

Soybeans. Calculator for Rectangular Bin
Calculate soybeans for a rectangular bin.

Soybeans. Calculator for Round Bin
Calculate soybeans for a round bin.

Sunflower. Calculator for Rectangular Bin
Calculate sunflower for a rectangular bin.

Sunflower. Calculator for Round Bin
Calculate sunflower for a round bin.

Wheat. Calculator for Rectangular Bin
Calculate wheat for a rectangular bin.

Wheat. Calculator for Round Bin
Calculate wheat for a round bin.


You can use these calculators to calculate the adjusted birth, weaning, yearling weight of cuttle. Handling the facilities and sources and more..

Adjusted Birth Weight Calculator | Cattle Calculator
Calculate adjusted dam birth weight.

Adjusted Scrotal Circumference Calculator (365 day) | Cattle Calculator
Calculate adjusted scrotal circumference.

Adjusted Weaning Weight Calculator (205 day) | Cattle Calculator
Calculate Adjusted 205 Day Wean Weight.

Adjusted Yearling Weight Calculator (365 day) | Cattle Calculator
Calculate Adjusted 365 Day Yearling Weight.

Agriculture and Rural Development : Decision Making Tools
The calculator is a simple tool for the producers to use to perform a quick ammonia losses calculation.

Cull Cow Calculator
Producers are able to assess the levels and reasons for cows leaving the herd as well as gaining an indication of the cost in terms of pence per litre.

Frame Score Calculator
Calculate Frame Score.

UK BAE Extension - Livestock Systems - Calculators and Tools - Cattle Handling Facilities Rating
An efficient cattle handling facility includes several critical factors. Below is a group of questions on items that contribute to an efficient beef cattle handling system. Answer the questions in order to evaluate your facility.

UK BAE Extension - Livestock Systems - Calculators and Tools - Fence Calculator: High tensile fences
Calculates the total cost of a fence.

UK BAE Extension - Livestock Systems - Calculators and Tools - Fence Calculator: Woven or Barbed
Clculates the total cost of a fence.

UK BAE Extension - Livestock Systems - Calculators and Tools - High Speed Fan
This program analyzes the costs and returns for investing in high speed fans (HSF) on a dairy not presently utilizing cooling strategies.

UK BAE Extension - Livestock Systems - Calculators and Tools - High Volume Low Speed Fan
This program analyzes the costs and returns for investing in high volume low speed fans (HVLS) on a dairy not presently utilizing cooling strategies.

UK BAE Extension - Livestock Systems - Calculators and Tools - Pasture Water - City Water Source
Allows calculation of pipe diameter and water pressure on up to four water points fed by city water. Friction loss calculations are performed using Darcy-Weisbach friction loss.

UK BAE Extension - Livestock Systems - Calculators and Tools - Pasture Water - Source Reservoir
Allows calculation of pipe diameter and water pressure on up to four water points fed by gravity. Friction loss calculations are performed using Darcy-Weisbach friction loss.

UK BAE Extension - Livestock Systems - Calculators and Tools - TMR Plan
This program analyzes the costs and returns for investing in a total mixed ration (TMR) feed mixing and delivery system on a dairy not presently utilizing a TMR feeding system.

Yield Grade Calculator | Cattle Calculator
Calculate yield grade.


You can use these calculators to calculate the soil properties and environmental conditions, and the correct amount of water to give your landscape or garden every week.

Agriculture and Rural Development : Decision Making Tools
This calculator can assist users to assess environmental conditions and methods of liquid manure land application.

Soil texture triangle: Hydraulic Properties Calculator
Enter values for percent sand and percent clay and click on [Calculate] to obtain the soil properties for the respective sand and clay.

Watering Calculator
The Watering Calculator is a tool that estimates the correct amount of water to give your landscape or garden every week.


You can use these calculators to calculate car loan payments, interest rate, balance, lease, and more..

Auto Calculators
Estimate monthly payments, compare incentives & rebates, determine how much car you can afford, compare your gas guzzler to a hybrid etc.

Auto Lease Payment Calculator
This calculator will let you calculate an auto lease payment.

Auto Loan Balance Calculator
Have you have been making monthly payments on your car? Do you want to know how much you have left to pay off? Fill in this form and find out.

Auto Loan Interest Calculator
Don't know what the interest rate on your car loan is? Use this calculator to make an estimate.

Auto Loan Payment Calculator
Going to buy a car? Fill in the form below and we will calculate what your monthly payment will be. We'll also tell you how much your total interest payments will be.

Autoworld - Car Loan Payment Calculator
Calculate your car loan payment.

Calculate if car loan is upside-down
Is your car worth less than your car loan balance? If so your loan is upside-down. Use this calculator to see if this is true for your car.

Calculators | State Farm / Should I use a home equity loan or an auto loan?
The calculator shows the cheaper source of financing to pay for a car or other vehicle. It evaluates two potential sources: an auto loan and home equity loan.

Car Loan Payments Remaining Calculator
Fill in the form below and we will tell you how many car payments you have remaiing.

Car Loan Refinance
Refinance your car? How much would you save?

Compare Financing a car with an auto loan or home equity loan
Up to 20% of autos are now financed with home equity loans. Use this calculator to compare financing with a home equity loan or a traditional auto loan.


You can use these calculators to calculate lease, car loan balance, fuel economy, insurance cost and more..

Automobile Fuel Economy Efficiency Comparison Calculator - Gasoline Diesel Mileage
Gasoline - Diesel - Petrol - Natural Gas Transportation - Vehicle - Auto - Car - Truck

Car Finance Calculator
A useful and alternative used car finance calculator to be able to calculate monthly repayments when buying a car.
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Calculator: True cost of running a car | This is Money
This calculator will give you an idea of the damage your car is doing to your wallet.

Compare Auto Manufacturer Incentives
When considering financing a new vehicle, you will have several choices. This calculator will help you compare the various options to see which is better for you.

Compare two alternative fuel cars
Going to buy an alternative fuel car? You can do a side-by-side comparison of your long-term costs using this calculator.

Drive Less Connect : Driving Cost Calculator
Driving Cost Calculator. Compare the actual cost of three different commuting modes. Fill out this form to figure out your annual drive-alone commute cost.

Fuel Consumption Conversion Table
Perform batch conversions between Fuel Consumption units.

Fuel Cost Calculator
Find out how much to budget for fuel on your next roadtrip.

Fuel Economy conversion online.
Convert fuel economy units: Miles per gallon, Litres per 100 kilometers, etc.

Gas Expense Comparison
How is the price of gasoline going to affect you over the next few years?

Hybrid or Electric Ownership Cost Comparison
Is it cost effective to purchase an alternative fuel car? You'll use less gas, but probably pay more up front. This calculator will give you an idea of what the savings (or cost) might be.

Insurance Calculator | Calculate Your Car's Insurance Premium | Useful Tools - CarWale
Calculate Your Insurance Premium.

New or Used Car Comparison Calculator
Use this calculator to compare buying a new or used car.

Vehicle Cost Calculator
This tool uses basic information about your driving habits to calculate total cost of ownership and emissions for makes and models of most vehicles, including alternative fuel and advanced technology vehicles.


You can use these calculators to calculate a vehicles engine horsepower and speed.

Horsepower Design Equation Formula Calculator - Engine Horsepower Trap Speed Method
This method uses the speed or velocity at the end of a quarter mile run. It is used to give an estimate of vehicle (car, truck, motorcycle) engine horsepower.

Speed Calculator
Calculate a vehicles speed.


You can use these calculators to calculate tires size.

Tire Wheel Size Comparison Conversion Calculator - Metric Standard
Automobile Tire Wheel Size Comparison and Conversion Calculator.

Miata.net Tire Size Calculator
Use the calculator to see what happens to your speedometer reading when you change the size of your tires and wheels. The graphic shows your stock tire selection in an outline overlaid on your new tire selection.


You can use these calculators to calculate Alcohol By Volume (ABV), Original Gravity (OG), and Final Gravity (FG).

Alcohol By Volume ABV Calculator | Brewer's Friend
Finds ABV based on gravity change.

Alcohol by Volume Calculator
To establish the value of the alcohol content of a liquid when expressed in different ways.

All Grain OG, FG, ABV Calculator | Brewer's Friend
Calculate original gravity, expected final gravity and expected alcohol by volume.

Batch Statistics for Extract Base Recipes | Brewer's Friend
Find out your original gravity, expected final gravity and expected alcohol by volume.

Equivalent Unit Drinks Calculator
This gives the direct relationship between *drink units* in any two of 16 different countries.

Hydrometer Temperature Adjustment Calculator | Brewer's Friend
Calculates actual specific gravity, correcting for the sample wort temperature and the hydrometer's calibration.

Units of Alcohol Calculator
This allows the number of units of alcohol in a given quantity of liquid to be found, given that the percentage of alcohol by volume (AbV) is known. It applies ONLY to the UK.

Units of Drink Calculator
This allows the number of units of alcohol in a given quantity of liquid to be found, given that the percentage of alcohol by volume (AbV) is known. Adjustable, so as to cover the *standards* of 16 different countries.


You can use these calculators to calculate the mash and the international bitterness unit (IBU).

Hop Bitterness Calculator
Find out the estimated Bittering Units (BU) in your homebrew.
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Brewhouse Efficiency Calculator | Brewer's Friend
Reports beer mash extraction efficiency in percentage terms and points per pound per gallon (ppg). Useful for all grain beer brewers to calculate their actual efficiency at extracting sugars from the grain during the mash.

IBU Calculator Beer Bitterness | Brewer's Friend
This IBU calculator reports how bitter your beer will be given up to six hops additions. It works for all grain, partial mash and extract style recipes.

Mash Calculators
Use these handy javascript calculators to help with mashing calculations!
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Mash Infusion and Rest Schedule Calculator | Brewer's Friend
Infusion mash calculator with rest steps. Use this calculator to find out your strike water temperature and volume, and if you are performing additional rests you can plan them out in advance.

Quick Infusion Calculator for Mashing | Brewer's Friend
Finds the amount of boiling water needed to reach a new rest temperature in your mash tun. For use in the middle of mashing.


You can use these calculators to calculate how to bottle beer in the exact combination you desire, beer color in SRM, and your brew recipe.

Beer Color Calculator SRM | Brewer's Friend
Calculates beer color in SRM. Tells how light or dark your home brew will be based on the amount and types of ingredients. Uses Morey’s Formula.

Beer Recipe Calculator | Brewer's Friend
An online home brew recipe builder.

Home Brew Bottling Calculator | Brewer's Friend
You can use this calculator to figure out how to bottle beer in the exact combination you desire.


You can use these calculators to calculate water chemistry, temperature, amounts and more..

Brewing Water Chemistry Calculator | Brewer's Friend
Water chemistry calculator for beer brewers targeting certain mineral levels. Converts salt additions to teaspoons. Calculates balance of flavor ions and checks for harmful levels.

Javascript Water Chemistry Calculator
It calculates the ppm of all the important brewing ions based on the water volume and the mass of the salts you add.
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You can use these calculators to calculate Brix, chaptalization, and sulfite for your wine.

Brix Conversion Calculator | Brewer's Friend
Converts Brix to Specific Gravity and Specific Gravity to Brix.

Chaptalization Calculator | Brewer's Friend
Chaptalization calculator finds how much sugar to add to your must to hit the desired Brix.

WineMaker Magazine - Sulfite Calculator
The Sulfite Calculator is a simple yet very useful tool to quickly calculate the amount of sulfite needed to adequately protect a wine.

Cooking Unit
A weight, tempeture, and volume convertion calculator.
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Bitter cassava flour amounts converter
Convert bitter cassava flour amounts.

Conversion table and calculator for microwave ovens
Microwave power fluctuates from 450 to 1000 watt. The higher the power is, the faster the food cooks. Be therefore aware of which power the recipe is calculated for.

Cooking conversion online.
Convert between U.S. and European (metric conversion). Typical kitchen units of weight and volume for various cooking ingredients.

Online Conversion - Weight to Volume Cooking Conversion
Convert weight to volume.

Oven Temperature Conversion Chart and Calculator
Convert oven temperature degrees.

RODE: Cooking Calculator
Welcome to the RO Cooking Simulator. The success formula currently is estimated.

Samartha's Lazy Woo/Maan's Sourdough Calculator 4
Dough Weight or Starter Weight; Dough Hydration Percentage; Starter Percentage of Total Dough; Starter as Baker's Percentage or Starter Flour as Baker's Percentage; Starter Hydration Percentage; Salt Percentage relative to Flour;


You can use these calculators to calculate cooking time for turkey or meat.

Christmas Turkey Calculator
Want to know the cooking time for your turkey to ensure the best (and safest) results?

Meat cooking time calculator
Roast meat cooking times This is a dynamic meat roasting time calculator for beef chicken, duck, grouse, lamb, pheasant, pork, turkey and venison.

Turkey Cook Time Calculator
This calculator will tell you how much time is needed to properly cook a turkey.


You can use these calculators to calculate calories, carbs, fat, protein, and the volume of your recipes.

Recipe Analyzer
Have a favorite recipe but don't know how many calories are in a serving? Or how many carbs, protein or fat? Use the FitWatch recipe analyzer to get the numbers!

Recipe Calculator
Use our free recipe calculator to find the calories, carbs, fat, and protein in your recipes.

Recipe Ingredient Conversion Calculator
Use it to help increase or reduce the volume of your recipes.


You can use these calculators to calculate the cost of painting requirements, slope, pitch, rafter lengths and material for your roof, and more..

Paint Calculator
Work out the cost for your painting requirements with our simple calculator. Please follow the below steps.

Roof pitch calculator
The roof pitch calculator calculates slope, pitch, and rafter lengths, based on input of rise (M) and run (R).

Roofing Calculator
Determine the amount of roofing material you'll need with handy tool.

Snow Guard Calculator
Calculate How Many Snow Guards Are Needed


You can use these calculators to calculate paper basis, PPI, paper yield, roll weight, roll width, and more..

Basis Weight Impact on % Paper Yield
Select your current basis weight and match it with the new proposed basis weight to estimate the change in total weight required for the same yield.

Caliper to PPI Calculator
Enter either a number for caliper or pages per inch.

GSM to Paper Basis Weight
Select the basic size and enter the grams per square meter.

Linear Feet Paper Calculator
Enter the basis weight, roll weight, and roll width. Then select the basic size.

Metric to Imperial (length)
Enter a number for centimeters, feet or inches, and the other values will automatically compute.

Paper Basis Weight to GSM
Select the basic size and enter the basis weight.

Paper M-Weight Calculator
Enter the sheet height and width, and the basis weight. Then enter the basic height and width.

Paper Roll Waste Calculator
Enter the waste removed, roll width, roll diameter, and core diameter, then select a paper type.

Paper Roll Weight Calculator
Use this calculator to figure out the estimated weight of a roll of paper.

Paper Sheets to Pounds
Enter the basis weight, number of sheets, and the sheet size. Then select the basic size.

Paper Yield Calculator
Calculate paper yield.


You can use these calculators to calculate area, length, tiling, paint, stairs, and more..

Paint Calculator
Work out the cost for your painting requirements with our simple calculator. Please follow the below steps.

Stair Calculator - Calculate stair rise and run
The stair calculator below can be used for calculating the rise and run of a set of stairs, as well as other important details of stringer layout and design.

Viewing Distance Calculator
-Thinking about buying a new HDTV, projector, or TV set and wondering what size to get? -Ever wonder if your viewing room is set up optimally? -Try this calculator to get some data to guide your decision.

Drapery and Curtian Fabric Calculator
Calculates yardage, cuts, widths, and other interesting functions of drapery and curtain fabrication and sewing.
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You can use these calculators to calculate beam, moisture, draw size, shelf sag, and more..

Computing Moisture Content of Wood
Here is a calculator for computing the EMC of wood at or below the fiber saturation point (about 30% moisture content) given the temperature and relative humidity.

Draw Sizer - Arithmetic Progression
This utility employs arithmetic progression to compute drawer face heights by progressively adding a fixed increment to successive drawers beginning with the top drawer.

Draw Sizer - Geometric Progression
This utility employs geometric progression to compute drawer face heights. With this technique, heights increase by a constant multiplicative factor, referred to as the common ratio.

Draw Sizer - Hambridge Proportioning
This utility employs the Hambridge proportioning technique to generate a smooth (some would even say "natural") progression of drawer heights that are in balance with the width of the drawer unit.

Engineering, Construction, Calculator, Calculators, Feet and Inches - Online Expos
Feet / Inches Calculator

Footulator: Board Foot Calculator
Here is a bare-bones board foot calculator for tallying up lumber requirements. Just enter your desired thickness, width, length, and quantity and it will compute board feet and total board feet. Nice and simple.

Tabulator: Board Foot Calculator and Lumber Tabulator
A board foot calculator, bill of materials generator and lumber tabulator all in one. The tabulator can help you tally up your lumber requirements for your next project and create a professional-looking lumber materials list. It computes board feet by species, total board feet, cost by species, and total cost - with provision for an optional waste factor. It can also accomodate resawing, a feature not generally found in your run of the mill board foot calculators.

The Sagulator - Shelf Sag Calculator
The Sagulator helps you design shelves by calculating shelf sag (deflection) given type of shelf material, shelf load, load distribution, dimensions, and method of attachment. You can also specify an edging strip to further stiffen the shelf.

The Shrinkulator
A wood shrinkage and expansion calculator. The Shrinkulator helps you estimate dimensional changes in wood, either shrinkage or expansion, based on changes in the wood's moisture content.

Wood Picker: A Wood Selection Tool
Use the Wood Picker to identify candidate woods for a woodworking project.


You can use these calculators to calculate crossover design, decibels, super sonic flow, wavelength, speed of sound, and more..

Acoustics Calculator | MBI Products
A basic estimator for your reverberation goals.

Air absorption calculator
Calculate air absorption.

Ceiling speaker coverage calculator
Calculate ceiling speaker coverage.

Crossover Calculators
Calculate crossover.

Decibels and Distance
This calculation will give you the ammount of attenuation, in decibels, you can expect with a change in receiver distance, in a free field (outdoors).

Decibels and Distance Calculator
This calculation will give you the amount of attenuation, in decibels, you can expect with a change in receiver distance, in a free field (outdoors).

Frequency (Hz) «» wavelength calculator
Calculate frequency and wavelength.

Millisecond/microsecond «» metres/feet/cm/inches calculator
Calculate time and distance.

Q «» B/W (bandwidth) calculator
Calculate Q and B/W (bandwidth).

Quickie 2kHz Reverb Time Calculator
This quickie reverb time calculator can give you a fast indication of how much trouble you may be in with your current room design.

SPL (Sound pressure level) calculator
Calculate SPL (sound pressure level).

SPL addition
Calculate SPL (Sound pressure level) addition.

Sound Conversion Table
Perform batch conversions between sound units.

Speaker Design Applet
If you would like to design your own speaker cabinets and need help with the calculations, then go to http://www.ishtek.com/spkrs.htm.
applet

The Speech Intelligibility Calculator
This page will calculate reverb time, critical distance, and expected %ALCONS for the room you input here. The results show the inter-relationship between reverberation time, room finishes, speaker selection and speech intelligibility.

Wavelength of Sound Calculator
This calculator will tell you the wavelength of any airborne audio frequency in inches, feet and metres, based on the speed of sound at sea level, and at 20 degrees Celsius or 72 degrees Farenheit.

dBu «» dBV «» Volt calculator
Calculate dBu, dBV and volt.


You can use these calculators to calculate beach fill, seawater properties, sand transport, waves, and more..

Beach Fill Calculator
Using the equilibrium beach profile concept, the amount of required sand to build a beach with a given dry width is calculated.

Properties Of Seawater Calculator
Calculate various properties of seawater.

Sand Transport Calculator
Calculate sand transport.

Seawater Calculator
Water properties (in-situ density, and potential temperature).

Seawater State Calculator
UNESCO equation of state (density in terms of Salinity, Temperature and Pressure)

Seiche Calculator
Seiching is the formation of standing waves in water body, due to wave formation and subsequent reflections from the ends.

Wave Calculator
The Wave Calculator takes deepwater wave height, period or frequency, and wave direction, and determines the wave length, the wave number, wave celerity, direction, shoaling and refraction coefficients, wave height, and the group velocity at the shallow water depth you specify.


You can use these calculators to calculate molecular weight, molar mass, specific gravity, dilution, nuclear decay, and more..

Article Finder - Finds Articles From Citation or DOI - Chemistry Online Education
Finds articles by a citation or a DOI in one click.

Balance Chemical Equation - Online Balancer - Chemistry Online Education
Balances equation of any chemical reaction (full or half-cell) in one click.

CHARLES' LAW CALCULATOR
This calculator can solve for any one of the four variables of Charles' Law.

Calculate Molecular Weight - Molar Mass Calculator - Chemistry Online Education
Calculates molar mass and elemental composition of any given compound.

Chemical Calculator
This calculator will give you the lbs. of chemical in a gallon of a solution when you enter the strength of the chemical and the specific gravity.

Chemical Equations Calculator
Simple calculator finding chemical reactions coefficients.

Combined gas law calculator - Chemistry Online Education
The combined gas law is a gas law which combines Charles's law, Boyle's law, and Gay-Lussac's law. These laws each relate one thermodynamic variable to another mathematically while holding everything else constant.

Compressibility and Ideal Gas Approximations
This form submits information to an interactive model which calculates compressibility and pressure based on several factors. Graphs will be generated for several different temperatures, each graph showing the pressure and compressibility over a range of volumes.

Dilution Calculator
Enter the ingredient information in the top form and click "Add Ingredient".

Flow - Molar Conversion Table
Perform batch conversions between Flow - Molar units.

Free Chemical Reaction Calculator Online | [email protected]
Chemical Reaction Calculator is a tool which makes calculations easy and fun. It is used to calculate the balanced equation and equilibrium constant when a chemical equation is given.

Gas laws - Chemistry Online Education
Calculate gas properties using various gas laws (ideal gas, Van der Waals, Henry's law).

Gay-Lussac's gas law calculator - Chemistry Online Education
Gay-Lussac's gas law calculator is a powerful online tool for solving problems using Gay-Lussac's gas law equation.

Interactive Engineering Tools - Altitude & Temp Effects ~ Custom Fan Design, Thermal Transfer Products ~ The Bergquist Company
Calculate the effects of changing various atmospheric properties.

Linear Least Squares Regression
Calculate linear least squares regression.

Liquid Chemical Calculator
Stock tank solution calculator for liquid concentrates.

Molecular formats converter - Chemistry Online Education
Converts molecules from one file format to another. Supports almost all existing formats.

Newton's Method Equation Solver
Solve an equation using Newton's method.

Nuclear Decay Calculator
Use this calculator to investigate how a unstable substance decays over time.

Online Chemical Editor (JChemPaint) - Draw Molecules Online - Chemistry Online Education
Draw molecules online and store images on the server.

Online Chemical Editor (MarvinSketch) - Draw Molecules and Reactions Online - Chemistry Online Education
Draw molecules and reactions online and stores images on the server.

Standard Atmosphere Calculator
Calculate standard atmosphere.

Thermodynamics Calculator
The purpose of this calculator is to calculate the value of the enthalphy of a reaction (delta H) or the Gibbs free energy of a reaction (delta G).


You can use these calculators to calculate discharge of fluid section, peak runoff, average intensity, and more..

DO Sag Curve Calculator
This applet is a DO sag curve calculator. It uses the Streeter and Phelps equation to calculate the impact of a single point source BOD load on DO
applet

Civil Engineering Colebrook White Equation Calculator
This calculator will calculate discharge of fluid section by using Colebrook White Equation for civil engineering!

Civil Engineering Hazen Williams Equation Calculator
This calculator will calculate discharge of fluid section by using Hazen-William Equation for civil engineering!

Civil Engineering Manning Formula Calculator
This calculator will calculate discharge of fluid section by using Manning Equation for civil engineering!

Civil Engineering Modified Rational Method Equation Calculator
This calculator will calculate peak runoff estimation by using Modified Rational Method Equation for civil engineering!

Civil Engineering Polynomial Approximation of IDF Curves
This calculator will calculate the average intensity(mm/hr) for ARI and duration t Equation for civil engineering!

Civil engineering Minor Head Losses Calculator
This calculator will calculate in minor head losses conduit for civil engineering!

Concrete Calculator | Calculate How Much Concrete to Buy
Do you want to calculate how much concrete you need for your project? Our free Concrete Calculator makes it easy to find out how many yards of concrete you need.

Concrete Calculator, Prices and Pouring Information - The Concrete Network
Calculate Concrete Slab and Footing Pours.

Convective Flow due to Stack Effect
Calculate flow rate.

Cubic yard calculator
The cubic yard calculator calculates cubic yardage, it can be used as a concrete yardage calculator to help estimate how many yards of concrete you will need for a slab or footing. It also calculates the total cubic feet of a given volume. This can be helpful for sizing air conditioner and heating units, useful as a cement calculator, or can be used for determining the volume of a container for shipping.

PumpCalcs - Online pump calculations
This calculator will calculate a number of engineering calculations!

Subgrade k-Value Calculator
The k-Value is a commonly applied value in concrete pavement design. It estimates the composite of support of any subgrade(s) or subbase(s) layers below the concrete pavement surface course. This web applet allows you to determine the composite k-Value with consideration for up to three subgrade/subbase layers.


You can use these calculators to calculate DPI and PPI, domain, IP, hostname, etc. Also convert between data storage and transfer, resolution, and more..

DPI Calculator / PPI Calculator
Calculate DPI and PPI for displays with square pixels.

Computer storage conversion online.
Convert Computer Storage Units Instantly.

Data Storage Conversion Table
Perform batch conversions between data storage units.

Data transfer rate conversion online.
Computer and the Internet connection speed conversion, various common connection methods and protocols (KB/s, baud, ADSL, GPRS, minutes per MB, etc.)

Digital Image Resolution Conversion Table
Perform batch conversions between Digital Image Resolution units.

Free DNS Query and Whois Tools - DNSQuery
Domain Queries, IP Queries, Hostname Queries

Hex Calculator
Calculate hex.

IP Calculator / IP Subnetting
ipcalc takes an IP address and netmask and calculates the resulting broadcast, network, Cisco wildcard mask, and host range.

Online Conversion - ASCII Engine
Converts any keyboard character to ASCII Decimal/Hex/binary

Online Conversion - CHMOD Calculator
Calculate different values of Chmod, for Unix and Linux systems.

Online Conversion - Computer memory/hard drive/data conversions
Convert bytes, kilobytes, megabytes, gigabytes, and More... For computer hard drives and memory sizes.

Online Conversion - Filesize Download Speed Calculator
Enter a file size and estimate the download speed with various modems.

Online Conversion - HTML Color Picker
Pick a color and find out the HTML color code.

Online Conversion - Meta Tags
Quick and easy way to create the Meta Tags for your HTML pages.


You can use these calculators to calculate band pass filter, crystal load sensitivity, network impedance, parallel capacitance, and more..

Band Pass Filters Calculator
This program computes the ideal component values for the Band Pass Filter when given the image impedance level, frequency and the desired Q (Q = Frequency / Bandwidth).

Converts an oscillator phase noise curve to jitter information
This program converts Single Side Band (SSB) phase noise to jitter.

Crystal Load Sensitivity and Frequency Pulling Form
Calculates the sensitivity "S" of a crystal to a change in load. Answer is in ppm/pf. Calculates the pull of a crystal between 1st and 2nd load and between 2nd and 3rd load. Answer is in ppm and in Hz.

Network Impedance Matching Calculator
The Impedance Matching Network is a loss less network often used to match between two resistive impedances Z1 and Z2. Given the values of Z1 and Z2 (Z1 > Z2), the Frequency and the desired circuit Q (Q = Frequency / Bandwidth), the values of C1, C2 and L1 can be calculated.

Parallel Capacitance Matching Calculator
This program computes the values of Parallel Capacitive Matching Network for a given Ro, RL, Frequency and Q (Q = Frequency / Bandwidth).

Parallel Resistance Calculator
This program calculates a third parameter value. For given R1 and R2, program calculates Rtotal.. For given R1 and Rtotal, program calculates R2. For given R2 and Rtotal program calculates R1.

Series Capacitance Calculator
This program calculates the missing parameter value. For given C1 and C2, program calculates Ctotal.. For given C1 and Ctotal, program calculates C2. For given C2 and Ctotal program calculates C1.

Series Capacitance Matching Calculator
This program computes the values of Series Capacitive Matching network for a given Ro, RL, Frequency and Q (Q = Frequency / Bandwidth).

Voltage Divider Calculator
This program calculates the missing parameter value.

Voltage to dBm Calculator
The power level of radio-frequency energy is often expressed in decibels above one milliwat. This program calculates the missing parameter value. For given Impedance and Voltage, program calculates dbm. For given Impedance and dbm program calculates Voltage. For given Voltage and dbm program calculates Impedance.


You can use these calculators to calculate call minutes, blocking, traffic and number of lines, how many lines for a trunk group, area codes, and more..

3 Phase Delta & Wye Calculator | Watlow Engineering Tools
Input any two values and click "Calculate" to find values for other two.

AWG
This Javascript web calculator will calculate the resistance and ampacity for the wire gauge you enter below.
javascript

Area unit conversion calculator: Ping conversions
Convert ping to other area measurement units using an online calculator for area unit conversions.

Caterpillar Power Generation
How much electric power do you need for your home or small business?

Charge Conversion Table
Convert between units of charge.

Current Conversion Table
Convert between current units.

Electric charge unit converter - Chemistry Online Education
Electric charge unit converter (electric charge unit calculator) allows one to convert between different units of electric charge.

Electric current unit converter - Chemistry Online Education
Electric current unit converter (electric current unit calculator) allows one to convert between different units of electric current.

Electric dipole unit converter - Chemistry Online Education
Electric dipole unit converter (electric dipole unit calculator) allows one to convert between different units of electric dipole.

Electrical resistance unit converter - Chemistry Online Education
Electrical resistance unit converter (electrical resistance unit calculator) allows one to convert between different units of electrical resistance.

L/C Resonance Calculator
Calculated Resonant Frequency

LED Series Resistor Calculator
Our LED calculator will help you determine the value of the current limiting series resistor when driving a single or an array of low-current LEDs.

Linear Charge Density Conversion Table
Perform batch conversions between Linear Charge Density units.

Ohm's Law Calculator | Watlow Engineering Tools
Input any two values and click "Calculate" to find values for other two.

Online Conversion - Electric Capacitance
Conversions relating to capacitance. Farad, jar, puff, kilofarad, decifarad, ampere second/volt, coulomb/volt, more...

Online Conversion - Electric Current Conversions
Convert between most electric current units. Ampere, milliampere, gilbert, siemens volt, volt/ohm, and more...

Online Conversion - Electric Motor FLA/HP calculator
A Full Load Amps to Horsepower calculator for Electric AC Motors.

R134a Refrigerant Pressure Temperature Calculator
This script determines the gas pressure based on temperature of R134a refrigerant.

Resistor color code calculator
The calculator will display the value, the tolerance and performs a simple check to verify if the calculated resistance matches one of the EIA standard values.

SMD resistor code calculator
This simple calculator will help you determine the value of any SMD resistor.

Surface Charge Density Conversion Table
Perform conversions between Surface Charge Density units.

Units converter for voltage
Convert between units of voltage.

Voltage Drop Calculator - for single and 3 phase ac systems and dc systems
Use this calculator to estimate cable voltage drop for sizing conductors.

Voltage, electric potential difference unit converter - Chemistry Online Education
Allows one to convert between different units of voltage, electric potential difference.

Volume Charge Density Conversion Table
Perform batch conversions between Volume Charge Density units.


You can use these calculators to calculate attenuator loss and impedance, resistor divider network, bias voltage, battery life, and more..

Attenuator calculators – PI and T | SiversIMA
Enter values for R1 and R2 to calculate attenuator loss and impedance. Alternatively, Generate R1 and R2 for a wanted attenuation.

AWG to Diameter (inch) Calculator
The formula converts American Wire Gauge to Diameter and Vice versa.

Adjustable Voltage Regulator Resistor Divider Calculator
This calculator computes the resistor divider network for most adjustable voltage regulators whether they are linear or switching.

Air Core Inductor Coil Inductance Calculator
The following is a design tool which calculates the inductance of an air core inductor.

Attenuator calculators – PI and T | SiversIMA
Enter values for R1 and R2 to calculate attenuator loss and impedance. Alternatively, Generate R1 and R2 for a wanted attenuation.

BJT Cascode Amplifier Calculator
This calculator computes bias voltage and current levels, as well as gain and frequency response for the Cascode amplifier.

BJT Transistor as a Switch, Saturation Calculator
A BJT transistor can be used as an electronic switch when it is driven into saturation, or alternatively driven to the cut off region. Calculating the base resistor is a common engineering task, which this calculator automates.

Bandpass Filter Designers – Butterworth and Chebyshev | SiversIMA
Calculate the L & C values needed for Pi and T topologies.

Bandstop Filter Designers – Butterworth and Chebyshev | SiversIMA
Calculate the L & C values needed for Pi and T topologies. Enter the center, -3dB bandwidth and system impedance.

Battery Life Calculator
Calculate how many hours a battery will live.

Battery Life Calculator from Watt Hour
The calculator will calculate the battery life if the Watt Hour and the battery voltage is known.

Battery life Calculator
This online calculator gives you a ballpark figure of the life of a battery.

Bramham Matching Transformer | SiversIMA
This will calculate the exact (approx. 12th wave) wavelengths for a Bramham impedance matching transformer.

Calculate x power y
This calculator calculates x power y according to the following formula z = xy

Calculator for a.c. Resistance of a Round Straight Wire
Calculates the a.c. resistance of a round straight wire for common conducting materials.

Calculator for capacitance of a rectangular capacitor, including edge effect.
For a rectangular parallel plate capacitor with edge effect, showing the formula used.

Calculator for skin effect depth
Calculates the effective skin depth (1/ε) for common conducting.

Calculator for the Inductance of a Flat Wire
For a flat wire, ribbon or PCB track showing the formula used.

Calculator for total capacitance of a circular capacitor, including edge effect
Finds the total capacitance of a circular parallel plate capacitor from radius, εr and thickness.

Capacitor Coupled Resonator Designer – Butterworth and Chebyshev | SiversIMA
Calculate the C values needed for a capacitor-coupled-resonator BFP.

Capacitor Energy and Time Constant Calculator
This calculator computes the energy in a capacitor, given the voltage across it. If you specify a load resistor it will also compute the time constant, or the time until the voltage drops to 37%, or charges to 63%.

Capacitor Inductor and Resistor in Parallel Calculator
Calculates the complex impedance (Z) (real and imaginary) of a capacitor, inductor and a resistor in parallel at a particular frequency.

Capacitor and Inductor in Parallel Calculator
Calculates the total reactance (XT) of a capacitor and a inductor in parallel at a particular frequency.

Capacitor and Inductor in Series Calculator
Calculates the total reactance (XT) of a capacitor and a inductor in series at a particular frequency.

Capacitor and Resistor in Parallel Calculator
Calculates the complex impedance (Z) (real and imaginary, or resistance and reactance) of a capacitor and a resistor in parallel at a particular frequency.

Characteristic Impedance Calculator
Calculates Delay, Velocity Factor, Effective Dielectric Constant and Characteristic Impedance of a PCB track. This calculator can also be used for measuring coaxial cable.

Chip Resistor De-rating Calculator | SiversIMA
The calculator will return the maximum current allowable with its corresponding available volt drop.

Coax Impedance Calculator | SiversIMA
Calculate the impedance of a coaxial transmission line.

Coil Physical Properties Calculator
This calculator estimates the physical properties of a coil such as resistance, total length of wire needed and number of windings, give the wire diameter, and bobbin length.

Comparator Hystereses Calculator
This calculator will compute the resistor ratio R1/R2 and reference voltage for given high and low threshold values for a hystereses curve, or the threshold values given the reference voltage and resistor ratio.

Complete RF Amplifier Design and Analysis Calculator
Given a amplifier or transistor's the S-parameters (scattering parameters), this calculator will analyze its stability, maximum gain, an even suggest a suitable conjugate L-matching network for a given load and source impedance of the circuit to which the amplifier will be connected.

Coplanar Waveguide With Ground Calculator
The characteristic impedance (Zo) of coplanar waveguide with ground or microstrip lines with signal side ground plane can be calculated using the active calculator.

Decibel Calculator
This calculator converts between decibels, voltage gain (or current), and power gain.

Elliptical Integrals of the First Kind Calculator
This calculator finds the elliptical integral K(k) and shows each successive step until the final result is obtained.

Feed Rate Calculator
When milling or drilling, or creating a tool path for a CNC machine the feed rate must be determined. Given the diameter of the tool and the surface speed, the RPMs of the spindle can be calculated. Then if the tooth load for the cutter is known, and the number of teeth, the feed rate can be determined.

Filter Designers – Butterworth and Chebyshev | SiversIMA
Calculate the L & C values needed for Pi and T topologies.

Flyback Switch Mode Regulator Calculator
In this design calculator we assume that we have an appropriate transformer, and then figure out the other appropriate parameters for designing the rest of the circuit.

Flyback Transformer Design and Calculator
The calculator below calculates the number of turns, the inductance, and the wire gauge for the various windings of a discontinuous mode fly-back converter.

Free Space Path Loss Calculator | SiversIMA
Calculate the loss for a given distance at an RF frequency.

Friis Path Loss Calculator
This calculator computes the power that a receiving antenna receives for a given transmitting antenna for a given power for a distance greater than one wavelength for line of sight transmission.

G-Code Tool Path Generator for Circles
This calculator will generate a G-Code tool path for a circle.

G-Code Tool Path Generator for Drilling Holes
This calculator will generate a G-Code tool path for drilling multiple holes.

G-Code Tool Path Generator for Milling Inner Rectangles
This calculator will generate a G-Code tool path for a rectangle. If the style selected is fill, it will mill out the center with multiple zig-zag passes. This can be used to plane a surface if the rectangle is slightly larger than the surface to be planed.

G-Code Tool Path Generator for Milling a Series of Points
This calculator will generate a G-Code tool path for a series of points, with incremental depth increases. This can be used to plane a surface if the rectangle is slightly larger than the surface to be planed.

G-Code Tool Path Generator for Planing Stock with a Fly Cutter
This calculator will generate a G-Code tool path for planing stock with a fly cutter.

G-Code Tool Path Generator for for Trimming Stock With End Mill
This calculator will generate a G-Code tool path for trimming stock with an end mill.

Geometric Scaling of a Triangle
To use this calculator enter 3 adjacent points from a polygon, and the center point will be the projected point of the new polygon. This also calculates the segment lengths and angles of the original triangle.

Graphical Resistance Calculator
Calculate Resistor Values from Color Codes.

Heat Sink Temperature Calculator
This calculator and tutorial computes the junction temperature of a power electronics device given the maximum ambient temperature, and the heat sink thermal resistance. The calculator will let you know if the maximum junction temperature could be exceeded for a given power, and likewise will tell you the maximum power that the device can handle for a given maximum power.

Highpass Filter Designers – Butterworth and Chebyshev | SiversIMA
Calculate the L & C values needed for Pi and T topologies.

How to wire an LED, Tutorial and Calculator
This tutorial article describes how to use LEDs in electronics circuits, and how to calculate the current limiting resistor, and relates other useful hints on using LEDs.

Impedance Calculator – Microstrip and Stripline | SiversIMA
Calculate Microstrip impedance for given PCB parameters.

Inductance Calculator for parallel Wire
Calculate the inductance of parallel wire (Power and Ground System).

Inductor Current and Maximum Power Calculator
What is the maximum pulse on time that you should use? How much power is being transferred to the coil?

Inductor Stored Energy Calculator
Inductors store energy in the form of a flowing current. The energy is related to the current magnitude of the current. If you add up the energy for each charging cycle over 1 second this will give you the power.

Inverting Op-Amp Resistor Calculator
This calculator determines the bias and feedback resistors for an op-amp, given the gain and desired output bias point.

JFET Buffer Bias Calculator
A JFET buffer (Common Drain Amplifier) is useful in that it has extremely high input resistance as compared to a BJT buffer. The input resistance is equal to RG, which is typically very large, on the order of 1M ohm.

L Matching Network Calculator
The following is a design tool which calculates the values for an L matching network.

LC Balun Designer | SiversIMA
Enter the frequency of operation and the balanced and unbalanced Z0. Values for L and C will be calculated.

LC Impedance Matching Network Designer | SiversIMA
Enter the input and output impedances to be matched and the centre frequency. Values for L and C will be calculated for the four topologies shown.

LC Resonance Calculator
Enter in any two parameters for a resonant circuit, and this calculator will calculate the third missing parameter.

LC Resonance Calculator | SiversIMA
Calculate the resonant frequency of an LC tuned circuit.

Line Segment Angle Calculator
This calculator converts between polar and rectangular coordinates.

Lowpass Filter Designer – Butterworth and Chebyshev | SiversIMA
Calculate the L & C values needed for Pi and T topologies.

Lumped 2-way Wilkinson Splitter Designer | SiversIMA
Enter the frequency of operation and system Z0. Values for L, C1 and C2 and R will be calculated.

Lumped Quadrature Coupler Designer | SiversIMA
Enter the frequency of operation and system Z0. Values for L1, L2 and C will be calculated.

MSP430 UART Register Calculator
This calculator computes the value of the various UART registers for the MSP430 series processors from Texas Instruments.

Matching Pi Attenuator Calculator
Calculates the resistor values, attenuation, minimum attenuation, impedance, reflection coefficient, VSWR and return loss of a matching Pi attenuator.

Matching T Attenuator Calculator
Calculates the resistor values, attenuation, minimum attenuation, impedance, reflection coefficient, VSWR and return loss of an impedance matching T attenuator.

Maximum Field Strength Calculator
This calculator calculates the maximum field strength that a dipole antenna could produce at 3M assuming 100% antenna efficiency. This gives you an upper bound for transmitter power.

Maximum Flux Density Calculator
The maximum flux density for a core/coil geometry should be calculated to verify that it is below the specified value for a given core, so that the core doesn't saturate. This calculator is useful in matching a core size to the required power.

Microstrip Inductor Calculator
This calculator computes the inductance of a microstrip etched on a PCB.

Microstrip Transmission Line Characteristic Impedance Calculator Using a Formula by Brian C Wadell
The characteristic impedance (Zo) of a microstrip transmission line can be calculated using the active calculator.

Microstrip Transmission Line Impedance Calculator Using The IPC-2141 Formula
The characteristic impedance (Zo) of a microstrip transmission line can be calculated using the active calculator.

Microstrip Transmission Line Impedance Calculator for PCB's
The characteristic impedance (Zo) of a microstrip transmission line can be calculated using the active calculator.

Mils to cm Calculator
PCB Designers often need to work on metric as well as mils and inches. The formula and calculator convert cm to mils and Vice versa.

Mils to micrometer | Mils to Microns | conversion Calculator
PCB Designers often need to work on metric as well as mils and inches. The formula and calculator convert micrometer to mils and Vice versa.

Mils to mm Calculator
The formula and calculator convert mm to mils and Vice versa.

Mixer Spur Calculator | SiversIMA
Calculate a list of mixer spurious responses for a set frequency plan.

NE555 Astable Multivibrator Frequency and Duty Cycle Calculator
This calculator computes the resistors and capacitors for a NE555 timer chip, which has been configured as a astable multivibrator (oscillator), or square wave generator.

Non-Inverting Op-Amp Resistor Calculator
This calculator determines the bias and feedback resistors for a non-inverting op-amp, given the gain and desired output bias point.

Op-Amp Voltage and Gain Calculator
This calculator determines the output voltage and gain for an op-amp, given it's resistor values, and DC input values.

PCB Trace Calculator | Advanced Circuits
This Javascript web calculator calculates the trace width for printed circuit board conductors for a given current using formulas from IPC-2221 (formerly IPC-D-275).
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PCB Trace Resistance Calculator
The PCB Trace resistance is directly proportional to the length of the wire and inversly proportional to the area of the cross section of the wire. It also increases with the increase in temperature.

PCB Trace Width Calculator
The Calculator calculates the required PCB trace width for a given current.

PI and T Pad Attenuator Calculator
This calculates a resistive PI and T attenuator networks (PADs), for a given attenuation, and characteristic impedance.

PLL Loop Filter Calculator | SiversIMA
This tool will calculate the component values for a 3rd order loop filter.

PLL PFD Frequency Calculator | SiversIMA
Calculates the Greatest Common Divisor for the reference and VCO frequencies, to use as the comparison frequency.

Parallel Plate Capacitor Capacitance Calculator
This calculator computes the capacitance between two parallel plates.

Parallel Resistance Calculator
This calculator will compute the parallel equivalent resistance for up to 6 parallel resistors.

Parallel Resistor Combination Calculator
This calculator allows you to enter in resistance values that you have available, and to calculate all of the parallel combinations of any two of them instantly.

Phase Noise to Jitter Converter | SiversIMA
Calculates RMS jitter from a piecewise linear integration of Single Sideband phase noise.

Pi Attenuator calculator
Calculates the resistor values, attenuation, 'impedance', reflection coefficient, VSWR and return loss of a Pi attenuator.

Pi Attenuator calculator with results for resistance, attenuation, return loss, VSWR and reflection coefficient
Calculates the resistor values, attenuation, 'impedance', reflection coefficient, VSWR and return loss of a Pi attenuator.

Polar - Rectangular Coordinate Conversion Calculator
This calculator converts between polar and rectangular coordinates.

Potential Divider Calculator | SiversIMA
Enter values for R1, R2 and Vin to calculate divided Voltage. Alternatively, Generate R1 and R2 for a wanted voltage.

Pulley Speed Calculator
This calculator computes the best pulleys slots to use a desired RPM.

Quarter Wavelength Transformer Calculator
This calculator computes the characteristic impedance of the transmission which matches two impedances.

RF Transmission Line Loss Calculator
This calculator computes the matched line loss for a transmission line using a model calibrated from data for the transmission line types built in to the calculator. It also gives an estimate of the mismatched loss if the mismatch is specified.

RF Trap With Attenuator calculator with results for attenuation, return loss, VSWR and reflection coefficient
Calculates the attenuation, 'impedance', reflection coefficient, VSWR and return loss of a circuit that incorporates a RF tank circuit into a Pi attenuator.

RMS Calculator
RMS is a tool which allows us to use the DC power equations, namely: P=IV=I*I/R, with AC waveforms, and still have everything work out.

Reactance Calculator
Calculate the reactance of an inductor or capacitor for a given frequency.

Reflection Coefficient to Impedance Converter | SiversIMA
Convert a reflection coefficient in Magnitude Angle format into Impedance.

Relative Dielectric Constant Calculator
Based on a formula by Kirchhoff for a circular capacitor, showing the equations used.

Return loss and mismatch loss Calculator
Calculates the absolute load impedance, reflection coefficient, VSWR, return loss and mismatch loss of a load.

Round Wire Inductance Calculator
Calculates the Inductance of a single round wire of common conducting materials.

Round Wire Resistance Calculator
Calculates the d.c. Resistance of a single round wire of common conducting materials.

Satellite dish look angle pointer calculator
Calculate satellite dish angle.

Series - Parallel Impedance Conversion Calculator
Any impedance can be expressed as either an equivalent series or parallel impedance for a given frequency. The calculator will convert in either direction.

Sine Look Up Table Generator Calculator
This calculator generates a single cycle sine wave look up table. It's useful for digital synthesis of sine waves.

Skin Depth Calculator | SiversIMA
Choose the conductor material and enter the frequency. The calculator will return the skin depth information.

Skin Effect Calculator
Skin depth is defined as the distance below the surface where the current density has fallen to 1/e or 37% of its value at the surface.

Snubber Circuit Design Calculators
This engineering tutorial article not only explains common snubber circuits but provides several design calculators, that make snubber design easy.

Solenoid (Electromagnet) Force Calculator
This calculator computes the force between a solenoid and another piece of ferromagnetic material separated by a gap of distance g.

Standard Resistor Value Calculator: 1%, 5%, 10% - EIA: E12, E24, E96
This calculator will select the closest standard resistor value, from 1% 5% or 10% standard EIA values, calculates the error, and prints out a table of the standard values for the given tolerance.

Steinhart-Hart Thermistor Calculator
Thermistor resistance is related to temperature in degrees Kelvin. In the standard Steinhart-Hart equation the C parameter is set to zero. However, some manufacturers use all 4 coefficients. In the calculator, you can specify whether to use this term or not, by just setting it to zero.

Stepper Motor Calculator
This calculator computes the maximum speed of a stepper motor, which is limited by the time it takes for the coil to energize to it's maximum holding current, and then de-engergize as polarity flips.

Straight Wire Inductor Calculator
This calculator computes the inductance of a microstrip etched on a PCB.

Switching Converter Power Supply Calculator
The following is a design tool which calculates the parameters for a buck converter, boost converter or Buck-Boost Converter - (Step-down/Step-up or inverting).

T Attenuator Calculator
This program computes the minimum loss (Min Loss) which will yield and attenuator having any desired loss.

T Attenuator calculator.
Calculates the resistor values, attenuation, 'impedance', reflection coefficient, VSWR and return loss of a T attenuator.

Tank Circuit Resonant Frequency Calculator
For a capacitor / inductor tank circuit, showing the formula used.

Thermal Noise Calculator
This calculator calculates the noise RMS Voltage for a circuit element for a given bandwidth, resistance and temperature.

VSWR/Return Loss Converter | SiversIMA
Convert VSWR to Return Loss and vice versa.

Voltage Divider Calculator
One of the most basic and common circuits is the two resistor voltage divider. The ratio of the resistors divides and input voltage down to a lower voltage. This calculator simplifies the task.

Voltage Summer Calculator
A common analog mathematical computation is to add several voltages: Vo= V1+ V2.. VN. This is easily done with the following circuit.

Wavelength Calculator (TEM) | SiversIMA
Calculate a wavelength in the presence of a dielectric. Applies to Transverse ElectroMagnetic propagation.

Welcome to Times Microwave | Coaxial Cable - Attenuation & Power Handling Calculator
The calculator above can be used to estimate the attenuation (dB loss), power handling capability, and transmission efficiency for some of the more popular Wireless Communications and MIL Spec cables at the frequency of interest (below Cutoff Frequency).

Wheatstone Bridge Calculator
Wheatstone bridge are used in all sorts of sensor devices such as strain gauges, pressure gauges, etc.

Whip Antenna Design Calculator
When the antenna is perfectly tuned then it looks like a pure resistance tied to ground. This resistance is known as the radiation resistance.

Wideband Differential Amplifier Calculator
This calculator computes bias voltage and current levels, as well as gain and frequency response.

Z-S-Y-A Parameter Conversion Calculator
This calculator will convert between Z-Y-S parameters. S parameters are a function of the characteristic impedance. All impedances are expressed in rectangular form (R+Xj).

dBm/Linear Power Converter | SiversIMA
Convert between dBm and linear power.

kpa to atm | atm to kpa conversion calculator
This calculator converts kilopascal (kpa) to atmoshphere (atm) and vice versa. The Kilopascal and atmoshphere are the units for pressure measurement.

mm Wave Link Budget Calculator | SiversIMA
Enter in the Tx, Channel and Rx parameters and the available SNR will be calculated.

oz to mils conversion
The formula converts Copper Plating Weight in oz to thickness in inch. This is useful for PCB designer willing to know the thickness corresponding to a copper plating weight to inch or mils.


You can use these calculators to calculate flowrate, cylinder PUSH/PULL, speed, diameter, and more..

Bernoulli Theorem Design Equations Formulas Calculator - Head Loss Fluid Mechanics
Fluid mechanics calculator for solving head loss of the Bernoulli Theorem equation given static heads, pressures, specific weights and velocities.

Utflow - Pipe System Egl And Hgl Calculator
This applet computes the EGL and HGL for a simple linear pipe system.
applet

Chezy Equations Formulas Calculator
Chezy equation calculator solving for flow velocity given coefficient, hydraulic radius and slope.

Cylindrical Reservoir Calculator
RESERVOIR CAPACITY for cylindrical tank

Flowrate Calculation for a Draining Tank
Hydrostatic pressure will impart a velocity to an exiting fluid jet. The velocity and flowrate of the jet depend on the depth of the fluid.

Flowrate Calculation for a Venturi
A fluid passing through smoothly varying constrictions experience changes in velocity and pressure. These changes can be used to measure the flowrate of the fluid.

Flowrate Calculation for an Orifice Flowmeter
A fluid passing though an orifice constriction will experience a drop in pressure across the orifice. This change can be used to measure the flowrate of the fluid.

Fluid Flow Calculator
Calculate basic fluid flow problems involving hose.

Fluid Force On A Plane Surface
The Applet will calculate the weight needed to keep the apparatus in equilibrium so that the experimental pressure force can be calculated by statics.

Gear Pump GPM Calculator
ESTIMATE GEAR PUMP SIZE

Hydraulic Cylinder Calculator
Enter the Cylinder Bore diameter, PSI (pressure) and Rod Diameter. Click to Compute the PUSH / PULL.

Hydraulic Cylinder Calculator (Angle Calc)
PUSH - PULL (Cylinder at an angle)

Hydraulic Cylinder  Speed Calculator
SPEED for a Cylinder

Hydraulic Motor Calculator
HORSEPOWER output

Interactive Engineering Tools - Fan Law Calculator
Calculate operating, environmental and mechanical changes.

Inviscid Channel Flow Applet (UT-JBEM)
Solves for the inviscid flow inside a 2-D channel using a low-order boundary element method (BEM) with respect to the total velocity potential, Phi.

Matching Rephasing Cylinders
Cylinders in Series

Pipe Friction Calculation for Fluid Flow in a Pipe
Wall drag and changes in height lead to pressure drops in pipe fluid flow.

Pipe Roughness Data
Included here is a sampling of absolute pipe roughness e data taken from Binder (1973). These values are for new pipes; aged pipes typically exhibit in rise in apparent roughness. In some cases this rise can be very significant.

Pressure Calculation for Manometers
Manometers measure a pressure difference by balancing the weight of a fluid column between the two pressures of interest.

Rect Reservoir Calculator
RESERVOIR CAPACITY

Sprocket Ratio Calculator_drive diameter
DIAMETER of Drive Sprocket

Sprocket Ratio Calculator_driven diameter
DIAMETER of Driven Sprocket

Sprocket Ratio Calculator_driven speed
SPEED of Driven Sprocket

Turbulent Flow Calculator
This page is designed to help determine what parameters are needed to assure a turbulent flow situation in pipes.

UT Manometer Applet
This Applet represents a system containing two tanks, one is closed and the other is open to the atmosphere, with a manometer installed between them.

V-Belt Length Calculator
LENGTH of V-Belt


You can use these calculators to calculate sheet, plate, tube, bar, inertia, and more..

Shapes Weight and Inertia Calculator
Welcome to MatWeb's automatic weight calculator for sheet, plate, tube, bar, and other engineering material shapes.

Surface Tension Conversion Table
Perform conversions between Surface Tension units.

Unit of Measure Converter
MatWeb has also provided a reference table for converting between English and Metric units.


You can use these calculators to calculate cativation number, continuity, terminal fall, settling velocity, wind power, differential pressure, and more..

Cavitation Number Equations Formulas Calculator
Fluid Mechanics Dynamics Dimensionless Value

Fluid Mechanics Continuity Equations Formulas Calculator - Flow Rate
Continuity calculator solving for flow rate given area and velocity.

Stokes Law Equations Formulas Calculator - Terminal Fall Settling Velocity - Fluid Mechanics
Stokes Law fluid mechanics calculator solving for terminal velocity given acceleration of gravity, particle diameter, medium density, particle density and viscosity.

Wind Turbine Power Generator Equation Formulas Design Calculator
Solving for wind power.

Beam Calculator
Select a Simply Supported or Cantilever beam from the list. Enter Constants, Dimensions and Loads. Click the Calculate button to plot the deflection, slope, moment and shear diagrams.

Amplifier dc Condition Calculator
The quiescent dc conditions (bias voltages) are determined for a 'generic' amplifier configuration and by selecting very high or very low resistor values the basic configuration becomes a 'variable'.

Calculator for compression springs, tension springs
Calculator for round wire helical springs.

Capacitor Inductor and Resistor in Series Calculator
The complex impedance (Z) (real and imaginary, or inductance and reactance) of a capacitor, inductor and resistor in series at a particular frequency can be calculated using the following formula.

Capacitor and Resistor in Series Calculator
The complex impedance (Z) (real and imaginary, or resistance and reactance) of a capacitor and a resistor in series at a particular frequency can be calculated using the following formula.

Cf-252 Activity Calculator
The following calculator returns the decayed activity of one of two Cf-252 neutron sources (large or small).

Critical Voltage Calculator
Calculate the critical voltage applied between the two electrodes of a straw detector (anode wire and straw wall) above which the detector becomes electrostatically unstable.

Cylindrical Grinding
The "Grinding Time" is calculated based on the material type and amount of stock removal and handling.

Elastic beam deflection calculator
Calculate elastic beam deflection.

Fluid Properties Calculator
Calculate fluid properties.

Flywheel Energy Calculator
This is a simple Javascript energy calculator for small flywheels. It computes kinetic energy values for ideal disk or ring flywheel configurations.
javascript

Gear Pump GPM Calculator
ESTIMATE GEAR PUMP SIZE

Generic Manning's Equation Calculator | FlowSizer.com
Advanced online calculators at your finger tips.

Inductor and Resistor in Parallel Calculator
The complex impedance (Z) (real and imaginary, or resistance and reactance) of an inductor and a resistor in parallel at a particular frequency can be calculated using the following formulas.

Inductor and Resistor in Series Calculator
The complex impedance (Z) (real and imaginary, or resistance and reactance) of an inductor and a resistor in series at a particular frequency can be calculated using the following formula.

Lathe Turning Cut Calculator for machinists
This will Calculate how long in minutes cutting time would be for turning operations.

Leaf spring calculator
Calculator for leaf springs.

Lewis Formula Gear Calculator
This Javascript application computes the maximum safe tooth load for 20 degree* pressure angle spur gears from the Lewis formula.
Javascript

MAPAL Drilling Calculator
- Fast and easy online calculations for all your drilling jobs.

MAPAL Milling Calculator
- Do your math online! Get convenient mathematical calculations for your tooling jobs, fast!

Minimum Detectable Flux
The following calculator returns the minimum flux of neutrons (or any other radiation of interest), incident on a detector with the specified characteristics, that can be detected in a given measurement time.

Neutron Flux Calculation
Use this calculator to determine the relative neutron flux at a particular location.

Orifice Flow - PumpCalcs
This calculator allows you to determine how much flow you can get through an orifice given a known pressure drop.

PCB Sample Size Calculator for relative dielectric constant measurements
Selects the optimum size for a circular plane on a PCB. This is used for making relative dielectric constant measurements using a Vector Network Analyser.

Rotating Right - Technical - Horsepower Calculator
Find the Hydraulic & Brake Horsepower.

Shapes Weight and Inertia Calculator
Welcome to MatWeb's automatic weight calculator for sheet, plate, tube, bar, and other engineering material shapes.

Specific Activity Calculator
Calculate the specific activity of a radiopharmaceutical, given its half life in seconds, and molecular weight in dalton.

Speed of Sound
Speed of Sound in Air.

Spring Constant Calculator
Do your spring design with Spring Creator Calculator. Find your spring constant and spring force for compression springs, extension springs and torsion springs.

Spring Energy Calculator
This is a simple Javascript potential energy calculator for springs.
javascript

Steel Weight Calculator - All Metals & Forge
This calculator will help you determine the approximate weight of your raw material using the density factor for the metal family selected and the dimensions of the shape (round bar, flat bar, square bar, hex bar, octagon bar, sheet, strip, plate, pipe, tubing, wire, rings, hubs, discs, shafts, step shafts (flanges), blocks, sleeves, or cylinders).

Thermal Noise Calculator
This calculator calculates the noise RMS Voltage for a circuit element for a given bandwidth, resistance and temperature.

Time-to-detect
The following calculator returns the measurement (integration) time required to trigger a detection alarm.

Total Dynamic Head (TDH) Calculator
Computes Total Dynamic Head (TDH).

VaccLimited - Vacuum Calculator

Wire Elongation Calculator
Calculate the elongation of a wire, given its physical properties, and for a given applied tension.

Wire Vibration Calculator
Calculate the natural frequency of vibration of a string fixed at both ends.

Wire deflection calculator
Straw detector wire deflection, due to impact.

Wire deflection due to initial offset
Calculate the lateral deflection of a wire tensioned in the center of a tube. When the wire is not perfectly centered on the tube (initial wire offset), and a potential is applied between the tube and the wire, an electrostatic force is developed that deflects the wire further.

Wolfram|Alpha: Calculator for Cauchy Number Formula
For Cauchy Number Formula calculate Cauchy number, mass density, characteristic speed, bulk modulus etc.

Wolfram|Alpha: Calculator for Eckert Number Formula
The Eckert number is a dimentionless number used in fluid dynamics. It expresses the relationship between a flow's kinetic energy and enthalpy, and is used to characterize dissipation.

Wolfram|Alpha: Calculator for Strouhal Number Formula
In dimensional analysis, the Strouhal number is a dimensionless number describing oscillating flow mechanisms.

Wolfram|Alpha: Calculator for Young's Modulus Formula
For Young's Modulus Formula calculate deformation, load, length, area, Young's modulus of material.


You can use these calculators to calculate concentration, conversion factors, diffusivity, enthalpy, entropy, heat capacity, and more..

Concentration
The Table provides conversions between concentration units such as milligrams per liter, grams per liter, grams per meter (cubed), parts per million and fluid ounces per gallon.

Conversion Factors Calculators
Unit converters.

Diffusivity
Convert diffusivity units.

Enthalpy (mass basis)
Convert enthalpy units.

Enthalpy (vol basis)
Convert enthalpy units.

Entropy
Convert entropy units.

Flowrate (vol basis)
Flow rate unit conversion (Volume basis).

Heat Capacity
Heat Capacity Unit Conversion.

Thermal Conductivity
Thermal Conductivity Unit Conversion.

Torque Conversion factors
Convert torque units.

Torque conversion online.
Convert Torque Units Instantly

Viscosity (absolute)
Convert viscosity units.


You can use these calculators to calculate column and beam strength, bending, buckling, curve fitting, and more..

Column Strength Calculator
This applet is an analysis program for reinforced concrete columns. It can also be used as a tool for designing reinforced concrete sections.
applet

Beam Strength Analysis Calculator
For Reinforced Concrete Beams
applet

Beam Stress Loading Calculators
Beam Stress Loading Types: Direct; Eccentric; Bending & Torsion Calculators

Bending of cantilever beam
Calculates reactions, bending moments, shear forces and deflections of cantilever beams.

Bending of orthotropic plate
Calculates deflections and stresses of simply supported orthotropic rectangular plate under uniformly distributed load applied to rectangular area.

Bending of simply supported beam
Calculates reactions, bending moments, shear forces and deflections of statically determined beams. The result is represented as diagrams of these components of the beam. Calculation is helpful not only for structural engineers, but also for students because all main steps (formulas) of the solution are provided.

Bending of statically indeterminate (continuous) beams
Calculates reactions, bending moments, shear forces and deflections of statically indeterminate (continuous) beams. The result is represented as diagrams of these components of the beam. All main steps (formulas) of the solution are provided.

Buckling of orthotropic plate
Calculates the critical load of simply supported rectangular plate uniformly compressed in two directions.

Curve Fitting
This calculation allows obtaining approximation of data using generalized Pade (rational) functions. The accuracy of approximation can be managed by user changing values of three main parameters: number of coefficients of Pade function; given accuracy, and correlation coefficient of data fitting. We suppose that this calculation will be useful for researchers and engineers looking for good approximation of data with simple formula.

Find reactions for simply-supported beam
Enter values for loads and their positions along the beam, using any consistent units. To eliminate a load, set its magnitude to zero. Refer to the diagram for variable names.

Online Structural Engineering Software | Shock Absorber
Calculates the main characteristics of a novel shock (energy) absorber: load-displacement diagram, maximum stresses and absorption energy for a cycle of loading. The shock absorber contains spring and thin elastic reversing shell of revolution with nonlinear behavior.

Online Structural Engineering Software | Thin Shell by Large Deflections
Calculates the nonlinear load-displacement diagram, maximum stresses by large deflections of the orthotropic clamped spherical thin shell under concentrated force.

Online Structural Engineering Software | Truss
The purpose of this model is calculation of reactions and internal forces of tension or compression in truss members of statically determinate 2D trusses. It is helpful not only for structural engineers, but also for students because all main steps of the solution are provided.


You can use these calculators to calculate call minutes, Carrier to noise, lines, transmission, and more..

Call Minutes Calculator
The Call Minutes Calculator uses the number of minutes of traffic a trunk group is offered in one day to work out the number of required lines.

Call center calculator
Our Call Centre Calculator, which can be used to estimate how many call centre agents you require for each hour of an eight hour day, and how many trunks you need.

Carrier to noise vs Eb/No
Calculate Carrier to noise vs Eb/No.

Clearance Angle Calculator
Calculate clearance angle.

Coupler Calculator
Enter either the Coupling Loss or the Through Loss and the other will be calculated.

Engset Applet
Just like the Erlang calculator it calculates the relation between blocking, traffic and number of lines. Any two of those determine the value of the third.

Engset Calculator
The Engset Calculator can be used to work out how many lines you need for a trunk group if you know the Busy Hour Traffic which the trunk group is offered. It should be used instead of the Erlang B Calculator when the number of traffic sources is finite (less than ten times the number of lines).

Erlang B Calculator
The Erlang B Calculator can be used to work out how many lines you need for a trunk group if you know the Busy Hour Traffic which the trunk group is offered.

Erlang C Calculator
The Erlang C Calculator can be used to estimate how many agents are required in a call centre, if the quantity and length of incoming calls are known.

Erlang Calculator (new version with portrait)
In any system where a large population makes use of a finite number of resources, the blocking probability is given by the Erlang-B formula.

Erlangs to VoIP Bandwidth Calculator
The Erlangs and Bandwidth Calculator can be used to estimate the bandwidth which must be provided through an IP based to satisfactorily transport a given busy hour traffic level.

Extended Erlang B Calculator
The Extended Erlang B Calculator is similar to the Erlang B Calculator but takes retries into account. It can be applied to trunk groups from which no overflow facilities exist.

Friis Path Loss Calculator
This calculator computes the power that a receiving antenna receives for a given transmitting antenna for a given power for a distance greater than one wavelength for line of sight transmission. The greater the frequency the greater the path loss.

International Dialing/Area codes calculator
If you need to make a phone call to someone in another country and you are not quite sure how to dial the number, then this service should hopefully help you.

International Roaming Data Calculator
Use the sliders below to estimate your daily or monthly usage.

Lines to VoIP Bandwidth Calculator
This calculator can be used to estimate the bandwidth required to transport a given number of voice paths through an IP based network. Reverse calculations are also possible. These estimate the number of voice paths that can be transmitted though an IP network if the available bandwidth is known.

Network mask calculator
Calculates network mask by subnet range.

Online Calculator .:. Helix Antenna
Helical antennas invented by John Kraus give a circular polarized wave. They are one of the easiest to design.

Subnet Calculator - DNSQuery
Calculates ranges of a netmask/CIDR

SubnetOnline.com - Online TraceRoute
Traceroute is a computer network tool used to determine the route taken by packets across an IP network.

VSWR & Return Loss Calculator
Enter either the VSWR ratio or the Return Loss and the other will be calculated.

WWW Grid Calculator
This applet is a grid calculator. It calculates the slope, flow direction, flow accumulation and weighted flow accumulation for an elevation and weight grid.
applet

dB Calculator
Enter the number of watts or dB and the amount of dB to add or subtract.

eXtreme Outer Vision Tools
eXtreme PSU Calculator, eXtreme Flow Designer, CPU Overclock Calculator, CPU Temperature Calculator, °C/W Calculator, Temperature Conversion


You can use these calculators to calculate inflation, health subsidy, life insurance cover, bookkeeping, invoicing, and more..

CPI Inflation Calculator
The CPI inflation calculator uses the average Consumer Price Index for a given calendar year. This data represents changes in prices of all goods and services purchased for consumption by urban households. This index value has been calculated every year since 1913. For the current year, the latest monthly index value is used.

Health Reform Subsidy Calculator - Kaiser Health Reform
This tool illustrates premiums and government assistance under the health reform law signed by the President. The tool allows the user to examine the impact at different income levels, ages, family sizes, and regional costs.

Life Insurance Cover Calculator from Sainsbury's Bank
Want to buy term life insurance but not sure how much cover you need?


You can use these calculators to calculate CPI, discounts, average cost, expenses, tuition, fees, and more..

Cost Performance Index CPI Equations Formulas Calculator
Solving for cost performance index (CPI).

Sale Discount Price Shopping Calculator - Percent Off Saving
The page provides a shopping calculator to determine the final or discounted price after the percent off discount is applied.

InterShipper
InterShipper will compare all your options with 5 major carriers - for free!
cgi

Average Cost Calculator | StockRants
You can use an average cost calculator to determine the average share price you paid for a security with multiple buys. This can be handy when averaging in on a stock purchase or determining your cost basis.

Calculators | State Farm
"How much am I spending?" allows you to enter actual and desired amounts for various expenses, and shows a table illustrating any excess amount available for investment.

Car Trip Expense Calculator
How much is that auto vacation going to cost you? Use this calculator to make a quick estimate.

Check your credit score with CreditExpert - Usefultools - Money - Virgin Media
How much is our family spending on clothing?

Child maintenance calculator - Child Maintenance Options
If you’re trying to agree on an amount for your family-based arrangement, our calculator can give you an indication of the amount that you could expect to pay or receive.

College Tuition Cost Projector
Estimate how much college might cost when you are ready to enroll.

Compare Air or Car Trip
Going away for the Holidays? Is it cheaper to fly or drive? Use this calculator to make an estimation.

Compare Two New Electric Appliances
Use this calculator to compare two new electric appliances you are thinking of buying. Using the energy rating for each appliance you can determine which will really save you money.

Construction cost calculator/estimator for new houses, renovations & additions/extensions
New homes, renovations & additions or extensions. This construction cost calculator only gives an estimate of building costs. It is only suitable for use before any detailed plans are drawn.

First-Year Baby Costs Calculator
Get an estimate of your first year baby costs.

Food Storage Calculator
Use the calculator to figure the minimum food storage amounts for your family for one year.

PARTY CALCULATOR
If you are hosting a larger social function and want a quick idea of the amount of beverage alcohol you may need, try our Party Calculator.

PCB Cost Comparison Calculator
This is a quick calculator for the most popular PCB manufacturers for prototype PCBs.

Procedure / Surgery Cost Comparison Calculator | Medindia
Use this tool to compare the price of common surgical procedures in India, UK and US.

Replacement Electric appliance energy analysis calculator
Do you have an existing electric appliance you are thinking of upgrading? Will you save money if you upgrade to a more energy efficient model? See for yourself with this calculator.

Small Business Risk Calculator | Symantec
This risk calculator helps estimate the potential costs of operating a business without computer and data protection.

Smoking Cost Calculator
Use our calculator to see how much cigarettes cost you.

The Fee Calculator - Calculates PayPal service fees and charges
Calculate what PayPal will take out of your transaction, or how much to ask for to make sure you get a certain amount.

The Wedding Alcohol Calculator
The Wedding Alcohol Calculator calculates how much alcohol to buy for a wedding or party, and how much buying the alcohol will cost.

USDA Calculator
With USDA’s Cost of Raising a Child Calculator, you can estimate how much it will annually cost to raise a child. This may help you plan better for overall expenses including food, or to purchase adequate life insurance.

Wedding Budget Calculator
Use this handy wedding budget calculator to determine your itemized wedding budget.

XE.com - The Travel Expenses Calculator (tm)
To see how much you should claim for travel expenses, proceed to the calculation.


You can use these calculators to calculate required payment, cost of using credit cards, compare balance, and more..

Balance Transfer Savings Calculator
Compare the amount of interest paid between your current card and a balance transfer card. Work out how much you can save by switching.
Javascript

Credit Card Debt Calculator
Work out how long it will take to pay off your credit card debt based on balance owed, interest rates and monthly payments. Also work out how much you need to pay to be debt-free in a certain amount of time.
Javascript

Credit Card Minimum Repayment Calculator
Work out how long and expensive it would be to continue making only minimum monthly repayments.
Javascript

Calculate Payment Required to meet Credit Card Payoff Goal
Do you have a time goal for paying off your credit card? This calculator will tell you what you need to pay each month to accomplish this.

Compare Balance Transfer Offers
If you have a credit card you are getting offers to transfer balances. Some have a transfer fee, but delayed interest. Some a lower interest rate. Confused? Use this calculator to compare offers.

Cost of Using Credit Cards
Don't have the cash for that new TV? You can either save until you do or pay by credit card now. Use this calculator to compare these two purchase options.

Credit Card Minimum Payment Analysis
Running a balance on your credit card? Use this calculator to find out how long it will take you to pay it off if you pay the minimum amount.

Credit Card Repayment Calculator, Calculate Interest | Credit Card Finder
Introducing the Credit Card Finder® credit card calculator perfect for calculating your interest repayments and when you will repay your debt.

Credit Forever
Live forever on your credit card!? Sounds inviting. After all you DO get a lot of credit card applications. What if you applied for them all and then decided to live off cash advances? How long could you go? Fill in the form and see..

Minimum Payment Pay Off Calculator
Figure out how long it'll take to pay off your current balance, based on your ongoing charges and whether you want to pay minimums or make larger monthly payments.

Skipped Payment Analysis
Has your credit card issuer or loan holder generously offered to let you skip a payment? Pretty nice of them! But, just maybe, you might want to use this calculator to see what it costs you.

Time to Payoff Credit Card
Running a balance on your credit card? Use this calculator to find out how long it will take you to pay it off.


You can use these calculators to calculate home equity, mortgage payment, compare rent and buying, and more..

Affordable Home Calculator from CNNMoney
How much house can you afford? Tell us how much you make, how much you've got for a downpayment, and your debt, and find out how far to stretch when home hunting.

Calculate Mortgage Payment
Going to buy a house? Fill in the form below and we will calculate what your monthly payment will be. We'll also tell you how much your total interest you will pay.

Compare Fixed Rate and ARM Mortgage
This calculator will allow you to compare a Fixed Rate Mortgage and an ARM Mortgage.

Compare Two ARM Mortgages
This calculator will allow you to compare 2 ARM Mortgages.

Equity release calculator - Age Partnership
Discover how much money you could access through equity release.

High Efficiency Air Conditioner Payback Calculator
How long would it take you to pay back the expense of junking your present Central Air Conditioner and getting a higher efficiency model? Make an estimate with this calculator.

Maximum Mortgage Payment
There are a many types of mortgages available. Here is our calculator showing our estimate of what you could qualify for.

Mortgage Balance Calculator
Have you been making payments on your home for awhile? Do you want to know how much you have left to pay off?

Mortgage Extra Payment Calculator
Use this calculator to see how much earlier you will pay off your mortgage if you make an extra payment each month.

Mortgage Loan Comparison
This calculator can be used to compare two fixed rate mortgage loans with different interest rates and points.

Mortgage Payments Remaining Calculator
Fill in the form and we will tell you how many mortgage payments you have left.

Mortgage Rates Compare ARM Loans Fixed Loan Rate Mortgages by Bankrate.com
Mortgage rates, home loans and advice regarding ARM and fixed mortgages.

Mortgage Refinance Analysis
Refinance your house? How much would you save?

Purchase house or rent
Frequently a subject of much marital 'discussion'. Use this calculator to see year-by-year which is better financially for you.


You can use these calculators to calculate how much to keep in bonds and stocks, how long to reach a desired account balance, necessary payments, credit line, consolidation, and more..

Present Worth Value Equations Formulas Analysis Calculator
Solving for present value or worth.

Bond Calculator (P. Peterson, FSU)
The purpose of this calculator is to provide calculations and details for bond valuation problems. It is assumed that all bonds pay interest semi-annually.
javascript

CD Laddering Strategy Calculator
Use the CD Laddering Strategy Calculator to build your own CD laddering strategy using State Farm Bank's current CD rates.

Calculators | State Farm
This calculator shows the number of payments necessary to repay a home equity line of credit. In case the interest rate is variable, the calculator allows you to enter a forecast.

Calculators | State Farm / How large a line of credit can I obtain?
Calculate the maximum home equity line of credit you can obtain.

Calculators | State Farm / How much will my loan payments be?
This calculator calculates monthly payments for an amortizing loan and interest-only payments on a line of credit.

Calculators | State Farm / Should I consolidate my debts?
Debt consolidation allows a borrower to combine several debts into one loan, hopefully at a favorable interest rate.

Debt / salary wizard
Decide how much you can borrow (debt/salary wizard)

Direct Consolidation Loan - Loan Calculator
Calculate consolidation loan.

Pay for College - Parent Debt Calculator
If you are planning on borrowing for your child’s education, you need to know your capacity to take on additional debt.

Repayment Estimator
Calculate your repayment plant.


You can use these calculators to calculate weekly earnings, salary deductions, wages per day, and more..

Paycheck Calculator - Weekly Earnings with Overtime Rates and Wages
This calculator determines the gross pay or earnings for a week. It does calculate net pay. Net pay would deduct taxes, Social Security and Medicare, local, state and federal taxes, health insurance and retirement savings from your paycheck and would be difficult to compute. The calculator includes rates for regular time and overtime.

Calculators | State Farm / How do 401(k) salary deductions affect my take-home pay?
This calculator calculates your take-home pay after deducting income taxes and contributions to a 401(k) or similar retirement plan that is sponsored by your employer. Similar retirement plans include 403(b) and Section 457 plans.

Calculators | State Farm / How much are my employee stock options worth today?
This calculator calculates the value of your employee stock options after deducting federal income and FICA taxes, state taxes, and any deductions that you specify. An option is a derivative contract since its value is derived from the share price of the underlying stock.

Calculators | State Farm / How much is my take-home pay as a salaried employee?
This calculator calculates your salary per pay period after deducting federal income and FICA taxes, state taxes, and any deductions that you specify, including contributions to a 401(k) or similar employer-sponsored retirement plan.

Calculators | State Farm / How much is my take-home pay as an hourly employee?
This calculator calculates your wages per pay period after deducting federal income and FICA taxes, state taxes, and any deductions that you specify, including contributions to a 401(k) or similar employer-sponsored retirement plan.

Calculators | State Farm / How much of my bonus do I keep after income taxes?
This calculator calculates how much of your bonus you keep after deducting federal income and FICA taxes, state taxes, and any deductions that you specify, including contributions to a 401(k) or similar employer-sponsored retirement plan.

Calculators | State Farm / What is my take-home pay if I also earn tip income?
This calculator finds how much you owe in taxes if you earn tip income.

OSD Military Compensation Web Site
This calculator will compute your regular military compensation based on your inputs. Regular military compensation is the approximate amount of an equivalent civilian salary.


You can use these calculators to calculate gross profit margin, determine if you are charging enough for your products, world currencies, and more..

Currency Conversion Table
Perform batch conversions between Currency units.

Currency Rates conversion online.
World currency rates

Gross profit calculator
Calculate your gross profit margin. Calculate gross profit and cost of sales, using your selected gross profit margin.

Profit Calculator
This online Profit Calculator can be used to determine if you are charging enough for your products and making profit.

Pub AssistGross Profit Calculator For Drinks
Here's a very easy to use Gross Profit Calculator to help you work out at what price you should be selling a product to make a particular Gross Profit percentage.

XE - Universal Currency Converter
Calculate live currency and foreign exchange rates with this free currency converter.


You can use these calculators to calculate the age you can retire, whether you 're saving enough, savings income, working days left, and more..

Calculate My Retirement
Are you saving enough? Are you on track to have the kind of retirement you want?

Calculate Social Security Retirement Age
The age at which you can retire and receive full Social Security benefits depends on your birth date.

Calculators | State Farm / How much will Social Security provide after retirement?
"How much will Social Security provide after retirement?" helps you to project your Social Security benefits. It considers your age, expected length of retirement, and any additional income you expect to earn after you are eligible to receive benefits.

Compare affect of 401k Contribution Amount and Interest Rate
What's more important? Getting the best possible return on your 401k investments or increasing your contribution? This calculator will give you an idea where your priority should be.

Government Employees - FERS / CSRS Calculator
The final calculations provide a wealth of information including the estimated monthly income from a final TSP or savings balance; estimated FERS or CSRS income; as well as an estimated final income from all sources and the final percentage this value represents compared to a calculated future salary.

How Long Will My Retirement Savings Last?
This calculator has been provided to assist you in estimating how long your tax-qualified retirement savings will last.

How Many Days Until You Retire
Ever wonder just how many days you have left until retirement. Find out when you use this calculator.

IRA Conversion
Should I Convert My Traditional IRA to a Roth IRA?

IRA, 401k, 403b Minimum Distribution
Do you have an IRA? 401(k)? 403(b)? If so, you will eventually have to decide how much to withdraw at retirement. The IRS may require you to withdraw a minimum amount each year.

Income From Savings
Got retirement savings? How much income will you get from this? How long will it last?

Keep House or Sell
Are you retired? Tired of maintaining a home? Thinking of renting? Would this be wise financially? We can't tell you what to do, but this calculator will show you some options. At the very least you'll get some idea of how much it costs you to own your present home.

Quick Calculator
Benefit estimates depend on your date of birth and on your earnings history.

ROTH Conversion
Feeling pressure to convert your IRA (or 401k) to the Roth version? Use this calculator to see if it makes sense for you.

Regular IRA and ROTH IRA Calculator
Compare Regular IRA and ROTH IRA,

Required Minimum Distributions Calculator
Calculate Your Required Minimum Distribution

Retirement Income Calculator
Your retirement income may come from a variety of source.

Retirement Savings Delay
Do you think it's too early to make your 401k contribution? Well...you should do it today as this calculator will show. It's even more important if your Employer provides a match.

Traditional vs. Roth IRA Calculator
This calculator is intended to help you analyze which IRA is right for you.

Working Days to Retire
How many working days until you retire?


You can use these calculators to calculate savings growth, how to meet a savings goal, cost to delay saving, and more..

Budget Calculator
Creating a budget just got easier! Use our online budget calculator and take control of your spending.

Calculators | State Farm
"How much should I set aside for emergencies?" shows how much you need to save, in aggregate and on a monthly basis, to create a reserve fund for unanticipated expenses or loss of income.

Calculators | State Farm / How much of a difference will the rate make?
"How much of a difference will the rate make?" shows the benefits of compounding over a range of saving periods. You enter an interest rate that you expect to earn on your deposits.

Calculators | State Farm / How much will my savings be worth?
"How much will my savings be worth?" calculates the future value of your savings plan based on the savings information that you provide.

Calculators | State Farm / How much, at what rate, when?
"How much, at what rate, when?" requires you to enter a value in all input fields in order to ascertain the value for any one of the five values. The five inputs are your lump-sum deposit, savings interest rate, desired future amount, years and months to save, and periodic contributions.

Calculators | State Farm / How will taxes and inflation affect my savings?
"How will taxes and inflation affect my savings?" calculates the effect of inflation and income taxes on your savings plan.

Calculators | State Farm / What will it take to save for a college education?
"What will it take to save for a college education?" calculates different combinations to save a lump-sum amount to pay college tuition bill for a child or someone else. The calculator calculates the future cost of tuition based on the inflation rate that you designate.

Calculators | State Farm / What will it take to save for a vehicle, home, etc.?
"What will it take to save for a vehicle, home, etc.?" calculates different combinations to save a lump-sum amount that you intend to use to buy a vehicle, home, or other big-ticket item.

Calculators | State Farm / What's it worth to reduce my spending?
"What's it worth to reduce my spending?" shows how the amount you save today from spending less grows if invested instead. Future amounts are shown for 10 years and for the number of years until you retire.

College Calculator
World's Simplest* College Cost Calculator

College Savings Calculator
Use our College Savings calculator to determine the amount you must invest each year to have enough money to cover all college costs.

Compare Two Savings Rates
Use this calculator for a quick comparison of two accounts with different interest rates.

Cost to Delay Saving
This calculator will tell you what your savings will be worth in the future.

Future Dollar Value
Want to know how inflation will affect you? What will a dollar buy in five years?

How Much Can I Save Bicycling to Work?
When you bike to work, it might feel like your commute is uphill both ways -- until you realize the added weight you're carrying is actually extra money in your pocket.

Meet Savings Goal
Do you have a savings goal? $100,000? $1,000,000? Use this calculator to see how much you will need to save each month. For comparison we will also show the results for average Money Market and Stock market returns.

Pay for College - College Savings Calculator
Use this calculator to see how much money you'll need for college, whether you're on track to save enough, and what you need to do to reach your goal.

Pretax and Aftertax saving comparison
After you get your paycheck how much can you save? The money you save after you get your paycheck is called 'after tax' savings. We will show you how you can save more than this using pretax dollars.

Refinance | Savings from Refinancing Calculator by Bankrate.com
Will you save by refinancing your mortgage? Deciding whether to refinance a mortgage is all about the numbers. Whether you're seeking a lower monthly payment or looking to shorten the length of a mortgage, refinancing makes sense when you can reduce the costs of the loan. Use this calculator to guide your decision.

Show Savings Growth
This calculator will tell you what your savings will be worth in the future.


You can use these calculators to calculate your income aftrer tax, your tax, your tax savings, and more..

Australian Tax Calculator
Calculate your income tax and take home salary in Australia.
Javascript

pay calculator
Use this simple, accurate pay calculator to work out how much you will receive in income after standard PAYG tax contributions have been deducted. The calculator is updated every year so you can look back to see how your net pay has changed over previous years. This calculator is for individuals living in Australia.

Tax Calculator
Tax Calculator
PHP

Calculators | State Farm / What will my tax savings be?
This calculator shows the mortgage interest tax savings on a home equity loan and home equity line of credit.

Federal State Withholding Calculator
Calculate Both Federal and State Withholding.

Tax Table Calculator
Use this calculator to compute your Virginia tax amount based on your taxable income. To calculate your Virginia tax amount, enter your Virginia taxable income and click the "Calculate Tax" button below.


You can use these calculators to calculate your age in seconds, minutes etc., your baby's personality, your due date, and more..

Baby Star Sign Calculator
According to some ancient traditions, your baby's personality can be influenced by the stars and the year and place of birth.

Due Date Calculator & Fun Birthday Facts - Your Pregnancy at Babies Online
This is not your mother's pregnancy due date calculator. We have perfected our FUN due date calculator over the years to give you the most, and the most accurate, information about your due date and stage of pregnancy. We'll calculate your due date and lots of other fun facts as well!

Interesting dates related to your birthday
Use the calculator to calculate your age, someone’s age, an event’s age, or product’s age in terms of seconds, minutes, hours, days and weeks. This easy-to-follow application saves you time when trying to figure out how old you are or someone else’s age in a matter of seconds.


You can use these calculators to calculate love compatibility, if "your age" qualifies you to get a marriage license in your country, and more..

Age for Marriage License | Medindia
Are you getting married? Find out if "your age" qualifies you to get a marriage license in your country. There is no consensus internationally on legal age at which you can tie the knot and it varies from country to country.

Love Compatibility Calculator
Calculates the love compatibility of two birth dates.

Sex Calculator | Medindia
Sex Calculator helps you to find out how many times you had sexual intercourse in your life.

The Love Calculator
Calculates the chance on a successful relationship between two people.


You can use these calculators to calculate your life expectancy, your talent, numerology, and more..

Death Clock / Life Span Clock | Medindia
The Death Clock / Life Span Clock gives you the approximate year of your death. Figure out how many more precious seconds have you got to live!

Easy Numerology Calculator
Pythagoras Numerology Calculator Enter your name in the Numerology Calculator to find out your number. Below is a simple definition of the number coresponding to your name.

Life Expectancy or Longevity Calculator | Medindia
Generally speaking the average life expectancy at birth depends on the country in which you were born.

Talent Calculator - Game Guide - World of Warcraft
All specs, spells and talents are not final and may change during the development process.

The Should I Skip Class Today? Calculator
Wondering if you should skip class today? This calculator was designed to help college students decide if skipping class is a smart move.

What does your phone number spell?
Phone Number Spell Calculator includes: Enter a 6 to 10 digit phone number and we'll show you what words and phrases your phone number spells to help you decide if you want to keep it. Opening a business and need a new phone number? Pick a new 7 or 8 digit phone number by typing in an available exchange (first 3 to 5 digits).

sleepyti.me bedtime calculator
Sleepyti.me is a bedtime calculator that can help you calculate when to fall asleep.


You can use these calculators to calculate Apgar score, adult height, ADHD, height and weight, development, and more..

APGAR Score | Medindia
The Apgar score is a scoring system to ascertain the effects of obstetric anesthesia on neonates. It helps us to determine quickly whether a newborn needs immediate medical care.

Adult Height Predictor | Medindia
Predict the final height of your child by using this calculator.

Attention Deficit Hyperactivity Disorder Test Calculator / ADHD Test Calculator | Medindia
Test your child for Attention Deficit Hyperactivity Disorder or ADHD by using our calculator.

Calculate Height and Weight for Children | Medindia
Height and weight of children according to the age and gender. This helps the parents in assessing the growth pattern of their child.

Developmental Milestones Calculator | Medindia
Milestones are developmental landmarks the baby shows as it gets older. Based on the expected milestones, you can determine whether the baby is developing normally.

Ideal Baby Height Calculator | Medindia
Monitor the monthly growth pattern of your baby using Medindia’s Ideal Baby Height Calculator, which gives you the ideal height for your kid’s age.

Immunization Schedule | Medindia
To protect against infectious disease, your child needs various immunizations. To determine what type of Vaccines is required and when it needs to be administered enter the date of birth of your child and the immunization scheduler will workout the required schedule for immunization of your child.

Nutritional Assessment | Medindia/ Child Nourishment Status using "Arm/Head Circumference method"
Do you wish to find out if your child is undernourished? It is important to know for a parent if their child is undernourished. The method to assess this state is called Anthropometry. The nutritional status of a child can be used by using parameters like "Height and Weight" or by using "Arm/Head Circumference method". Nutritional status results are independent of age.

Nutritional Assessment | Medindia/ Child Nourishment Status using "Height-Weight method"
Do you wish to find out if your child is undernourished? It is important to know for a parent if their child is undernourished. The method to assess this state is called Anthropometry. The nutritional status of a child can be used by using parameters like "Height and Weight" or by using "Arm/Head Circumference method". Nutritional status results are independent of age.


You can use these calculators to calculate blood sugar, diabetes risk, insulin mixing, and more..

Blood - Sugar Chart | Medindia
This calculator provides a description of value of blood sugar in terms of mg/dl depending on the test type – Fasting sugar, post-meal or post prandial, and after Glucose tolerance test (GTT) for a normal person, in early diabetes and in established diabetes.

Blood - Sugar Conversion | Medindia
Our easy to use blood sugar calculator helps you to get your blood sugar conversion results either in mg/dl used by the American system or in mmol/l used by the British system which is accepted worldwide.

Diabetes Risk Assessment Calculator | Medindia
Are you at risk for Adult-Onset Diabetes? Find out if you run the risk of diabetes by using this calculator.

Diabetic guidelines, diabetic protocols, insulin resistance
What is the I /carb ratio? What are the criteria for diagnosing diabetes? What are the usual target blood glucose levels? These are the type of questions this program was designed to answer.

Glycemic Index Calculator | Medindia
GLYCEMIC INDEX (GI) is a scale, which helps in ranking the carbohydrate rich foods, depending on how they affect blood glucose levels in a span of 2 - 3 hours after having food.

HbA1c or A1c Calculator for Blood Glucose | Medindia
Glycated/Glycosylated Hemoglobin (HbA1c or A1c test) is used as a guide to know what your average blood glucose level is during the past three months.

Insulin Mixing tool
Generates insulin mixing consult.


You can use these calculators to calculate dosing for various drugs medications.

Aminoglycoside Dosing by levels calculator
Dosing by Levels - Aminoglycosides/ Vancomycin

Aminoglycoside-Vancomycin Dosing calculator (gentamycin, tobramycin, amikacin, vancomycin) for health care providers
Pharmacokinetics Dosing by levels (Quick version)

Calculation of Parenteral Iron Dose  (Iron Deficit)
Calculate Parenteral Iron Dose

Calculation of the Total Iron Deficit. Total dose infusion. Iron deficiency anemia
Total iron deficit [mg] = body weight [kg] x (target Hb-actual Hb) [g/dl] x 2.4 + depot iron [mg]

Conventional units - SI units
Converts SI units to conventional units and vice versa.

Corticosteroids conversion calculator (hydrocortisone, dexamethasone, prednisone, methylprednisolone, betamethasone
Corticosteroid Converter based on anti-inflammatory potency.

Digoxin Dosing Calculator
Digoxin Dosing Calculator Determination of initial loading and maintanance dose.

Free body surface area calculator. Calculates BSA and dosing regimen.
Calculates Body Surface Area, useful for drug dosing.

Heparin Dosing Protocol by D.McAuley
Calculate Heparin Dosing

ICU Dosing Calc
Intensive Care Unit (ICU) Drug List Generator

Management of elevated INR's - Phytonadione dosing
Calculates Phytonadione dosing for elevated INR's management.

Pharmacokinetic Dosing Calculator
This latest version is based on a comprehensive review of the most recent pharmacokinetic textbooks.

Pharmacokinetics - Pharmacokinetic Dosing - Aminoglycosides / Vancomycin
Advanced Pharmacokinetic Dosing Calculator

Phosphate Dosing calculator for hospitalized patients. Written by D.McAuley
Calculate Phosphate Dosing for hospitalized patients.

Rad Pro Calculator: Free Online Beta Emitter Dose-Rate and Activity Calculator
Beta emitter dose rate and activity.

Radiation conversion online.
Absorbed, equivalent radiation doses, dose examples and acute radiation symptomes.

Radiotherapy Equivalent Dose Calculator
When radiation therapy is used to treat cancer it is given in moderate size daily fractions for a period of weeks. This applet performs the necessary calculations under the linear quadratic model described by Professor Fowler.
applet

phenytoin (Dilantin) dosing calculator by D.McAuley
Calculates phenytoin (Dilantin) dosing.


You can use these calculators to calculate calorie requirements, calories burned, heart rate, VO2, walking, and more..

Activity Calorie Calculator | Medindia
Based on your normal daily activities your calorie requirements can be calculated.

Calories Burned for Power Yoga (Vinyasa or Ashtanga)
Find out how many calories you burn for Power Yoga (Vinyasa or Ashtanga). Use the calories burned calculator to see how many calories you burned during your workout.

Estimating your target heart rate during exercise. Maximum heart rate based on age.
Estimate your maximum heart rate and your target heart rate based on physical activity intensity.

Vo2Max Calculator using Cooper Test
You can use this calculator to estimate your VO2 Max using the Cooper Test.

Vo2Max Calculator using Pedersen Method
You can use this calculator to estimate your VO2 Max using the Pedersen Method (You need to know you Maximum Heart Rate (HRmax) and your Resting Heart Rate (HRrest).

Vo2Max Calculator using Race Results
You can use this calculator to estimate your VO2 Max using a runing race result.


You can use these calculators to calculate your heartbeat, heart attack risk, pulse rate, and more..

Heart Risk / Risk of Heart Attack Calculator | Medindia
If you are in the age group of 30 and 74 years, this calculator helps you in assessing your risk for having a heart attack in the next ten years and guides you in taking the necessary measures to protect your heart.

Heartbeat Calculator | Medindia
Find out how many beats has your heart clocked so far using the heart odometer calculator.

Pulse Rate (or) Heart Beat Calculator | Medindia
Pulse rate or heart beat calculator helps you to find out the recommended average pulse rate per minute for your age. This calculator covers the average pulse rate for all age groups including the unborn fetus in the womb.

Pulse Rate During Physical Exertion | Medindia
Exercise Pulse rate or physical exertion heart beat calculator helps you to find out the pulse rate or heart beat during exercise or physical exertion. For different ages you can know the safe pulse rate range and the maximum pulse rate(Danger Zone).

Target Heart Rate During Exercise | Medindia
Fill in your details to use the calculator below and find out your target heart rate.


You can use these calculators to calculate ideal chest measurement, sexual performance, prostate assesment, and more..

Ideal Chest Measurement | Medindia
Are your embarrassed about your physique? Chest measurement in men is an important determinant of physique and personality. Find out what would be the ideal measurement of your chest for your height.

Male Impotence or Sexual Performance Score | Medindia
Are you a male and worried about your sexual performance or have you lately felt that there is some deterioration in your performance. In this is the case, please take this self- assessment screening test to find out if you need to seek professional help or seek the help of an expert doctor.

Prostate Self Assessment Calculator | Medindia
Take the following anonymous self-test to evaluate the severity of the prostate enlargement and find out if you need to consult a Urologist.

Sex Duration Calculator | Medindia
The average duration of sexual intercourse is taken as the time spent from entering the vagina to ejaculation for men. This duration of intercourse varies according to the age of the men; his ethnicity, country of origin and whether he is circumcised or not.


You can use these calculators to calculate ANC, ADHD, adverse drug effects, alligation, dosing, arterial oxygen content, medical cost, and more..

Absolute neutrophil count - ANC
ANC calculator

Adult ADHD Screening Calculator | Medindia
This ADHD screening calculator acts as the first step in identifying the signs/symptoms of Attention Deficit Hyperactivity Disorder (ADHD) and prompt you to consult a psychiatrist.

Adverse Drug Reaction and Toxicity Finder | Medindia
Drugs can cause side effects and toxic reactions. These reactions can be very characteristic for a particular drug. The 'Adverse Effects Finder' is designed to help clinicians find these effects peculiar to certain drugs.

Alligation calculator
Compounding solutions and topicals.

Anion gap calculator - useful tool to help determine cause of metabolic acidosis.
Useful tool to help determine cause of metabolic acidosis.

Apacheii - Apache 2 scoring
Classification system to calculate the severity of the disease.

Arterial Oxygen Content calculator - cao2.
Oxygenation equation

BEE determination. Basal energy expenditure. Dieting and nutrition tool.
Basal energy expenditure: the amount of energy required to maintain the body's normal metabolic activity, i.e. respiration, maintenance of body temperature etc.

BioMath - Tm Calculations for Oligos
Calculate the melting temperature (Tm) of an oligo.

Blood Alcohol Calculator
This program summarizes some of the effects that may be seen based on the calculated blood alcohol concentration.

Blood Alcohol Calculator Check Yourself Before You Wreck Yourself
Calculate your blood alcohol level.

Blood Donation Due Date Calculator | Medindia
Are you a blood donor? If yes, use our online calculator to find out when you can donate blood again. Our calculator will also send you a quick reminder on the due date when you can donate again. This facility on Medindia can be also used by blood banks to remind their regular blood donors.

Blood Group Calculator | Medindia
We have devised a calculator which will give the probabilities for your child’s blood group in just 3 simple steps.

Body Fluid Volumes calculator
Intracellular fluid (ICF): inside cells. Comprises 2/3 of the total body water. Extracellular fluid (ECF): outside cells. Comprises the remaining 1/3 of your body's water.

Body Surface Area for Adults | Medindia
In simple terms Body Surface Area is the area covered by one’s skin the largest organ of the body. It is often a clinical measure used by physicians to calculate the drug dosages and for administration of intravenous fluids.

Body surface area calculator - BSA
Multiple Body Surface Area (BSA) formulas & Integrated Dosage Calculator.

Breath-Count Calculator | Medindia
We breathe 16-20 times per minute and 22,000 times in a day. Find out how many breaths have your lungs clocked since your birth. The calculation may leave you breathless!

Carboplatin AUC Calculator
Calculates Carboplatin dose.

Child-Turcotte-Pugh Score - Classification of liver dysfunction
Prognosis of chronic liver disease.

Chronic Fatigue Syndrome Self-Assessment | Medindia
Tiredness and feeling full of life are the two extremes that we all go through in our daily lives. But there are some people who perpetually feel tired. If you are such a person remember you may be a victim of 'Chronic Fatigue Syndrome’ (Myalgic encephalomyelitis (ME)).

Chronological Age Calculator
Make computing chronological age a snap.

Corrected Sodium Calculator | Medindia
Calculate your "Corrected Sodium" by entering your Sodium (Na) and Glucose in the boxes below, and then click on "Calculate".

Corrected calcium level based on the serum albumin level
Correction for serum albumin concentration.

Creatinine Clearance Calculator | Medindia
Calculate your creatinine clearance.

Creatinine Clearance calculator (CRCL) by D.McAuley
Calculate protein clearance.

Creatinine Clearance calculator for the Obese Patient - Salazar and Corcoran equation
Calculates Creatinine Clearance for the Obese Patients.

Digoxin Kinetics calculator. (Pharmacokinetics). Program by D.McAuley
Digoxin Dosing. Adjust maintenance dose based on steady state serum concentration.

Drug comparisons
Drug Comparisons Equivalent dosages - Listed by drug class

Drug-related Sexual Problems | Medindia
Certain drugs can cause undesirable side effects and this may affect your sexual health. If you have recently started a medication and have felt any problem with your sex life - use our application to find out if the new drug is causing the problem.

Ethanol 10% infusion Calculator - Ethylene glycol toxicity
Calculate Ethanol 10% infusion.

Fentanyl patch dosing determination based on current narcotic analgesic therapy.  Developed by D.McAuley
This calculator computes a conservative estimate of the equivalent fentanyl patch based on the patient's current opioid therapy.

HbA1c to Estimated average glucose (eAG) Calculator
Calculate Estimated average glucose (eAG).

Hydration: Hydration Calculator: The Coca-Cola Company
Proper hydration can help you feel your best. Use the hydration calculator at TheCoca-ColaCompany.com to estimate your total daily hydration needs.

Hypertonic Saline 3% and Normal Saline Infusion Calculator - hyponatremia
Hypertonic and Normal Saline Infusion Calculator

Hypocalcemia  (calcium) Calculator - Corrected calcium level
Calculates the calcium level.

Hypothyroidism (Levothyroxine) Calculator
This calculator provides very basic initial levothyroxine dosage and follow-up guidelines for adult patients with hypothyroidism.

IDMS-traceable MDRD Study Equation
What does IDMS stand for? Isotope dilution mass spectrometry (IDMS) reference measurement procedure. There are several reasons (and implications) why this new standardized value (creat-IDMS) is being reported by labs throughout the world, and the conventional value is being eliminated.

Infectious disease - Organisms - Drugs of choice. Antibiotic choices. Empiric therapy. Infections.
Infectious disease - Organisms - Drugs of choice. Antibiotic choices. Empiric therapy. Infections.

Intravenous drip rate calculators.  By D.McAuley
Dynamic Drip Rate Table Creation Tool

Iron dextran dosing calculator. Total dose infusion. Iron deficiency anemia
Calculate Iron dextran dosing for anemia.

Kt/V Calculator | Medindia
Kt/V calculator helps in calculating the weight changes in a renal patient undergoing dialysis.

MELD Score - Model For End-Stage Liver Disease
Calculate MELD score.

Magnesium Dosing calculator for hospitalized patients.
Calculate Magnesium Dosing for hospitalized patients.

Mayo Clinic Score
Mayo Scoring System for Assessment of Ulcerative Colitis Activity.

Mean arterial pressure - MAP Calculator
Calculate Mean arterial pressure (MAP).

Medication Costs Calculator - Health.BizCalcs.com
Calculate how much money you spend on medications (prescription or over-the-counter) over a day, week, month, years.

Medline search brought to you by GlobalRph. Results formulated by PubMed.
Search for citations.

Melting Temperature (Tm) Calculation
Calculate Tm (melting temperature).

Multiple Creatinine Clearance Methods
Calculates creatine clearance with multiple methods.

Neonatal Advanced Alligation Calc - 2 concentrations
This calculator allows the user to quickly determine the exact amount of two additives in order to create two desired final concentrations.

Normal Saline Infusion Calculator - hyponatremia
Use this calculator to estimate the expected serum sodium level increase after specifying the infusion rate and length of infusion of a 0.9 NS solution.

Opioid - Narcotic - Converter
Opioid (Narcotic) analgesic converter.

Osmolality determination by D.McAuley. Clincial calculator
Clinical calculator, determines osmolality.

Over-active Bladder – Calculator | Medindia
Do you suffer from bladder-related problems? Is your life compromised because of your condition? Rest assured that your condition can be treated.

Pediatric Creatinine Clearance calculator (CRCL) by D.McAuley
Pediatric Creatinine Clearance Calculator Utilizing Three Clearance Models

Pharmacokinetics - Pharmacokinetic Dosing - Aminoglycosides / Vancomycin - Dosing by levels - non-steady state
Calculate dosing by levels.

Protein Catabolic Rate | Medindia
Protein catabolic rate is otherwise called as the breakdown rate of proteins. This is useful for patients suffering from kidney problems and also undergoing dialysis. A very useful tool to find out the catabolic rate of proteins of renal patients.

Ranson's Criteria in Acute Pancreatitis  -  Prognostic Implications
Calculate Ranson's criteria.

Serum sodium level corrected for hyperglycemia
Correction of serum sodium level in hyperglycemia.

Severe Constipation/Chronic Constipation -online check calculator | Medindia
Do you suffer from constipation? Evaluate the severity of the condition using our calculator and find out if you need to seek medical help.

Sexual Symptoms (Undesirable) and Drugs Calculator | Medindia
Certain drugs can cause undesirable side effects and this may affect your sexual health. This calculator allows you to select the undesirable symptom you are experiencing and allows you to find out the drug that may be causing the problem.

Sodium Bicarbonate Deficit Calc
Calculate sodium bicarbonate deficit.

Solution Osmolarity Compounding Calculator
Osmolarity Calculator - is that concentration too high??

Stool Osmotic Gap
Calculate stool osmotic gap.

Therapeutic Drug Levels
Therapeutic Drug Levels. All levels are for adult patients only.

Time Averaged Concentration of Urea calculator | Medindia
This calculates the average concentration of urea before and after dialysis.

Topical Corticosteroids selection tool - 7 group classification
Topical Corticosteroids Potency Selector

Total Body Water | Medindia
Calculate your "Total Body Water" by entering your height, weight and age in the boxes below, and then click on "Calculate".

Total parenteral nutrition calculator. D.McAuley
TPN calculator

Unstable Renal Function - Creatinine Clearance Methods
Program is used in patients with changing renal function.

Urinary Incontinence Calculator for Women / Urine Leakage Calculator | Medindia
Do you have a problem with urinary leakage? Use our calculator to find out if you need to consult a doctor or undertake certain pelvic floor exercises that can help you manage the condition.

Urinary indices - fractional excretion of sodium ( FENA ), renal failure index. Acute tubular necrosis
Urinary indices, Renal Failure Index (RFI) and Fractional excretion of sodium (FE-Na).

Vancomycin Dosing - Single level calculator
Dosing by levels - Single level - Vancomycin

Warfarin Dosing Calculator - Multiple Initiation Nomograms
Calculate Warfarin dosing.

cA-a gradient alculator (alveolar arterial gradient) - Lung function.
Calculates A-a gradient.

free water deficit, hypernatremia
Calculate free water deficit.


You can use these calculators to calculate your daily fiber intake, calorie requirement, cholesterol, mineral, fat, vitamins, and more..

Calculate Daily Fiber Intake and Requirement in your Diet | Medindia
Use this calculator to find out your daily fiber intake and check if it meets the international standards.

Calorie Requirement for Age and Lifestyle | Medindia
This utility helps in calculating your required calories depending on your age group and life style.

Cholesterol in Animal Foods | Medindia
This tool gives us the break up of how much cholesterol, fat and saturated fat is present in a specific food item.

Convenient Cholesterol Counter | Medindia
Cholesterol counter helps in calculating the amount present in a specific food item. This can be known in terms of unit measure.

Daily Calorie Requirements | Medindia
Medindia Calorie Calculator helps in calculating Daily Average Calorie needs of individuals. This calculator would be of immense use to those intending to shed weight. The calculator uses the Harris-Benedict Formula.

Daily fiber requirement calculator
How much daily fiber do I need???

Disease and Vitamins | Medindia
Vitamin deficiency is one of the major factors causing various diseases and conditions. Use this tool to know the vitamin that is deficient for any particular disease or condition.

Fat Contents in Vegetable Oil and Ghee | Medindia
Oils and fats have saturated, monounsaturated (MUFA), polyunsaturated (PUFA) and essential fatty acids (EFA). The amount of fat content in vegetable oils, any kind of fat or ghee can be calculated by just selecting the type of oil or fat.

Fiber Content of Common Foods - Soluble Fiber Calculator
Calculates fiber content of common foods, useful for cholesterol lowering.

For Your Health, Better Tomorrow Plan
Use the interactive tool to easily calculate nutrition information from a library of foods you may select from our dining services. Manage your food choices and learn to find options that best fit your lifestyle.

Mineral Content in Food Items | Medindia
The Mineral Content tool helps in knowing the mineral content in Food Items. Select the food item to understand its mineral value.

Recommended Mineral Intake | Medindia
Recommended Mineral Intake is a wonderful interactive that helps you calculate your daily recommended mineral intake values and also helps in understanding the functions of various minerals, its sources and its deficiency symptoms.

Sea Turtle Restoration Project : Got Mercury?
The "Got Mercury?" calculator below helps you make healthier seafood choices. Just enter your weight, the seafood type, the amount of seafood you will eat during a week, and click the calculator button. These calculations are based on EPA and FDA data (updated January 2006).

Vitamin Class | Medindia
Learn about Vitamins is an interactive tool which helps us to understand about vitamins, its requirements in an individuals body.


You can use these calculators to calculate ovulation, due date, weight gain, risk, and more..

Pregnancy Calculator
You will determine the most likely pregnancy time-frame. This tool might also calculate the end of the first and second trimesters, find out weeks you have been pregnant, estimate gestational age.
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High Risk Pregnant Group Calculator | Medindia
Some mothers need more care, understanding and support than others because they belong to a special group. Find out if you belong to this special group by using this calculator.

Multiple Pregnancy Calculator | Medindia
How would you feel if you are pregnant with 2 babies or more? Go ahead and check if you are nurturing more than one baby.

Ovulation Calendar | Ovulation Calculator
You can increase your chances of getting pregnant if you know on which days of your cycle you are at your most fertile - try our ovulation calculator (ovulation calendar) to find your most fertile days.

Pregnancy Calculator
Calculates a Due date from the date of the Last Menstrual Period.
java script

Pregnancy Confirmation Calculator | Medindia
Pregnancy calculator is a simple calculator for those who wish to confirm if they are pregnant. This calculator is based on your last menstrual period, existing symptoms and the tests you have undergone.

Pregnancy Due Date Calculator
Use our pregnancy due date calculator to instantly calculate your pregnancy due date, conception date, first trimester, second trimester and more.

Pregnancy Weight Gain Calculator | Medindia
Find out the ideal weight gain for your week of pregnancy using our calculator.


You can use these calculators to calculate electromagnetic energies, gamma activity, dose rate, radiation, and more..

Rad Pro Calculator: Free Beta Emitter Bremsstrahlung Calculator
Bremsstrahlung x-ray calculations for beta interactions.

Rad Pro Calculator: Free Online ALARA Calculator
ALARA calculations for dose and job planning.

Rad Pro Calculator: Free Online Electromagnetic Energy Inverse Square Law Calculator
Inverse Square Law calculations for electromagnetic energies.

Rad Pro Calculator: Free Online Frisker and Scan MDA/MDC Calculator
Minimum detectable concentration and contamination (MDC aka MDA) for scanners (includes LLD and critical level calculations).

Rad Pro Calculator: Free Online Gamma Activity, Dose Rate and Shielding Calculator
Gamma emitter shielding equations (with or without buildup).

Rad Pro Calculator: Free Online Radiation Scaler, Counter MDA/MDC Calculator
Minimum detectable concentration and contamination (MDC aka MDA) for counters.

Rad Pro Calculator: Free Online Radioactive Isotopes Decay Calculator
Isotope radioactive decay, timed decay and half life equations.

Rad Pro Calculator: Free Online Radiological Units Conversions
Radiological units conversion.

Rad Pro Calculator: Free Online Uranium Enrichment Calculator
Uranium enrichment from U-234 and U-238 lab data for environmental levels of uranium (also works well for uranium fuel enrichment and U enrichment in nuclear waste).

Rad Pro Calculator: Free Online Uranium Fuel Loading Calculator
Uranium fuel loading ratios.

Rad Pro Calculator: Free Online Uranium and Plutonium Specific Activity Calculator
Grams of plutonium (Pu) and uranium (U) from activity (specific activity).

Rad Pro Calculator: Free Online X-Ray, Dose-Rate and Shielding Calculator
Dose-rates for x-ray machines and devices.


You can use these calculators to calculate stroke, thrombosis, bleeding, HIV/AIDS, cancer, smoking risk, and more..

CHA2DS2-VASc Score: Stroke Risk Assessment in  Non-valvular Atrial Fibrillation  (Risk factor-based scoring system)
CHA2DS2-VASc score1,2: Clinical prediction rule for assessing the risk of stroke in patients with non-valvular atrial fibrillation. The result can be used to determine whether or not treatment is required with anticoagulation therapy or antiplatelet therapy.

CHADS2 Score: Stroke Risk Assessment in Atrial Fibrillation
CHADS2 score: clinical prediction rule for assessing the risk of stroke in patients with non-rheumatic atrial fibrillation. The result can be used to determine whether or not treatment is required with anticoagulation therapy or antiplatelet therapy.

Deep Vein Thrombosis (DVT) Risk Calculator | Medindia
Find out your probability and risk for Deep Vein Thrombosis and the treatment options that are available.

Framingham 10 year risk assessment
This calculator provides estimates of the 10-year Risk of developing "hard" coronary heart disease outcomes (myocardial infarction and coronary death).

HAS-BLED bleeding risk score
HAS-BLED: acronym of the major factors associated with bleeding risk in patients with atrial fibrillation receiving oral anticoagulation.

HEMORR2HAGES Bleeding Risk Score
Calculates major bleeding risk.

HIV/AIDS Risk Calculator | Medindia
The HIV Risk Calculator will help you determine if any of the HIV risk factors apply to you and if so what you should do about it.

Lifetime Risk Assessment Calculator | Medindia
Calculate your lifetime risk of being afflicted by some of the common health conditions.

Lifetime Risk Calculator for Cancers | Medindia
Calculate your lifetime risk of being afflicted by some of the common cancers.

Living To 100 Life Expectancy Calculator
To use the calculator, answer all of the questions. You will find that many of the questions are about health-related behaviors that you have control over!

Osteoporosis Risk Calculator | Medindia
This simple calculator identifies a person's risk for osteoporosis. It will also predict if the person requires a special X-ray test called 'bone densitometry or DEXA scan' to confirm the score index.

Smoking Risk Calculator | Medindia
Cigarette smoking risk calculator is a powerful and interesting calculator that predicts the loss in one's lifespan due to smoking.

Stroke Risk Calculator | Medindia
If you are in the age group of 54 and 84 years, this calculator helps you in assessing your risk for having a stroke in the next ten years and helps you to take the necessary protective measures.

Swine Flu Risk Calculator | Medindia
Swine flu caused a pandemic in 2009 with several deaths reported worldwide. Though the situation is under control with vaccination, it is safer to know the risks for contracting the H1N1 Influenza virus and take necessary precautions.

Wells Clinical Prediction Rule for Deep Vein Thrombosis (DVT)
This suggests whether a patient is at low, moderate or high risk of having suffered a DVT which may guide subsequent investigation and management.

Wells Clinical Prediction Rule for Pulmonary Embolism (PE)
Wells' prediction rules can help in selection of at-risk patients who need further testing for pulmonary embolism.


You can use these calculators to calculate how stressed you are.

Life Stressors Chart | Medindia
Life Stressors Chart is a tool by which one can measure the level of stress they are in by recalling the activities or events in life over a specified period. This indicates the stress levels in order to help us in leading a stress free life.

Self Assessment Health Calculator for Depression | Medindia
This self-assessment questionnaire adopted from the famous Zung Self Rating Depression Scale is a quick, simple and anonymous health tool to assess your level of depression. The result of the score will indicate if you need to seek medical help.

Stress Calculator
Are you Stressed Out? Look back over the past 6 months. Have you been noticing changes in yourself or in the world around you? Think of your job, the family, and social situations.

UMMS: Stress Calculator
Use the Stress Calculator to categorize how stressed you are.


You can use these calculators to calculate your body-mass index (BMI), daily calories burned, ideal body weight (IBW), and more..

Body Mass Index calculator
Want to know whether your weight is ideal??
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BMI Calculator
BMI calculator is a tool that helps you calculate your Body Mass Index.
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Body Fat Calculator
This is a tool that will help you calculate your body fat percentage.
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Activity Calculator
Choose from hundreds of activities to see how many calories they burn, or calculate how many calories you burn in 24 hours.

Alcohol Calories
Find out the number of beer and hard alcohol calories you are consuming.

BMI Calculator
Calculate your Body Mass Index. Are you normal weight, overweight, or obese?

BMR & RMR Calculator
Estimate your Basal and Resting Metabolic Rates, and how many calories you burn in a day based on a general activity level.

Body Mass Index (BMI) Calculator | Medindia
The Body Mass Index (BMI) measures the weight status of your body in relation to the fat. It is a simple tool that helps to figure out the amount of excess body fat and the associated risks of carrying this extra weight.

Calculate Daily Calories Burned
Use this tool to determine how many calories you actually need daily.

Dieting calculator, diet aid, weight loss tool, total calories
Help your patients lose weight by determining the recommended daily caloric intake. Also let them know where they stand based on their current BMI.

Ideal body weight (IBW) and Adjusted body weight calculator
Adjusted body weight (AjBW) and ideal body weight (IBW) calculator.

Lean Body Weight Calculator | Medindia
This calculator provides the lean body weight of an individual, thereby making it easy to find out the fat mass present in the body. In order to reduce weight, one needs to concentrate on the percentage of fat deposit and the lean body mass.

Resting Metabolic Rate (RMR) or Basal Metabolic Rate ( BMR) | Medindia
If you wish to lose weight, your calorie consumption should be calculated so that you can take care of the vital basic body function. Your workout should be such that you burn more calories than you consume above your basic requirement. Knowing this will help you shed the extra weight sensibly.

Waist to Hip Ratio | Medindia
What is your body type - apple or pear? Your waist to hip ratio indicates your body type and determines your risks for heart disease, hypertension, diabetes and stroke. Find out your body type using this simple calculator and work towards decreasing your risks.

Weight Loss Calculator | CaloriesPerHour.com
Calculate the time and daily calorie loss required to reach your goal weight.

body mass index calculator used to determine your optimum weight. Dieting aid. BMI calculator
Determines if your weight is in proportion to your height based on Federal guidelines released by the National Heart, Lung, and Blood Institute. The BMI is helpful in determining health risks and appropriate interventions.


You can use these calculators to calculate volume, water chemistry, glass, design, electrics, and more..

Aquarium Volume Calculator | Aquarium Tools
This tool is quite simple. What it does is helping you calculate the volume of several 3D prisms that are commonly used for a fish tank.

Aquarium Water Changes Calculator | Aquarium Tools
This tool can help you figure the effect of water changes on the quality of the water in your tank.

Aquatic Plants Fertilization Calculator | Aquarium Tools
If you want to make your own fertilizers for your aquatic plants in your fish tank this tool might come in handy.

CO2 In Your Aquarium | Aquarium Tools
These are useful CO2 calculators that can help you balance the CO2/pH levels in your fish tank.

Calculate Aquarium Glass Thickness | Aquarium Tools
Here is a very useful calculator when building your own fish tank. This calculator provides the information you need to know about the glass of your new fish tank.

Design your Fish Tank | Aquarium Tools
A very useful tool when designing the aquascape in your fish tank. This lets you make a sketch of your future design!

Fish Tank Electrics | Aquarium Tools
Simply fill in your aquarium length, width and height and you should get the following results: Light Requirements, Filter, Heater, Heater Cable

Reef Chemistry Calculator
This page is designed to calculate reef chemistry additions for Calcium, Alkalinity or Magnesium using commercial products or standard chemicals.

The Aquarium Diagnoser - Solve Your Aquarium Problems | Aquarium Tools
Mark all symptoms that best fits your tank and find out what the problem is. Find a solution to your problem.


You can use these calculators to calculate chess rating, darts score, kart ratio, and bass boat speed.

Darts Calculator | Harrows Darts Technology
Keep darts score.

FIDE Chess Rating calculators. Initial Rating calculator
Calculator for chess players who has not got FIDE rating. Players can check their initial rating.

FIDE Chess Rating calculators: Chess Rating change calculator
Calculator for FIDE rated players who want to check rating change after the game with FIDE rated opponent.

go-kart racing Gear Ratio Calculator
Kart Ratio Analysis Calculator


You can use these calculators to calculate feeding, foaling, weight, cost, and more..

THE BAILEYS FEED CALCULATOR
HOW MUCH TO FEED YOUR HORSE?

Adult Horse Weight Calculator
The most accurate way to determine a horse's weight is by weighing him on a scale. However, you can estimate a horse's weight (to calculate proper amounts of feed, dewormer, etc.) by using body measurements.

Exotic Wager Calculator for horse racing bets
Use the calculator to figure out the costs of exactas, trifectas, superfectas, pick-3, pick-4, and pick-6 wagers.

Foal Gestation Calculator
Equine Gestation calculator, horse breeding calendar, foaling calendar.

Horse Cost Calculator - HorseChannel.com
Can you afford to own a horse? The calculator will help you determine if you will be financially able to provide for a horse. If you're already a horse owner, use the calculator to find out where all your money is going and where you may be able to cut costs.

Horse Ticket Calculator
The Horse Ticket Calculator tool is fast and easy. Use this online betting tool to find out the cost of your wager.

Purina® Horse Feeding Calculator
Select a lifestyle and weight of horse.

Wagering Calculator - NTRA
Use the NTRA Wagering Calculator below to figure and total your wagering tickets before you get to the track!


You can use these calculators to calculate strings, chords, fretboard, neck angle, and more..

Chord Calculator
The chord calculator automatically determines every mathematically possible fingering for a chord based on the options you specify.

Fret Calculator : manchesterguitartech.co.uk
This page accurately calculates the position of the fret slots for guitars and basses.

Fretboard Calculator - The Tundra Man Workshop
Calculate where each fret slot should be cut, measured both from the nut to fret, and from the fret to bridge. The results are given in both english and metric values.

Guitar String Calculator
This String Size Calculator will determine the string size which will produce the desired note at the desired string tension. Then, you can simply use the closest available string size, based upon that idealized calculation.

Music Calculator - An online tool for producers, sound engineers and musicians
An online music calculator that includes formulas and tables for bpm, hertz, keyboard notes and quality factor calculations.

Neck Angle Calculator - The Tundra Man Workshop
This simple calculator will take the measurements from the guitar and determine the proper neck angle. As an added bonus, it will also determine at what distance the bridge should be located from the point where the neck joins the body.

Nut calculator : manchesterguitartech.co.uk
This calculator is for use with 6-string guitars. It accurately calculates the position of the nut slots for even-spaced strings using any combination of string gauges.

Scale Calculator
JGuitar's scale calculator will draw scale diagrams showing the fretboard with notes in the selected scale highlighted.

The Music Calculator!
The Music Calculator has two sections, The Transposer and The Analyzer. The Transposer juxtaposes scales to illustrate intervals and the Analyzer generates diatonic analysis, chords and modes for every key.

The Scale Cruncher!
The Scale Cruncher generates 12 different chromatic scales and from there produces all the parent scales and their modes, the pentatonic scales and a few symmetric scales for a total of 35 scales per note. That's a total of 420 scales! Hours of practise!


You can use these calculators to calculate canopy size, wing load, shock force, and free fall simulation.

Canopy Size and Wing Load Calculators
Experienced skydivers, use the calculators below to determine a recommended minimum canopy size.

Parachute Jump Calculation
Freefall simulation.

Rock Climbers Shock Force Calculator
This calculator will determine the fall factor and impact force on a climber, given specifications of rope, weight, and distance from last anchor.


You can use these calculators to calculate weight-belt, gas consumption, MOD, SAC, and more..

Saltwater Weightbelt Calculation Sheet
Fill in your weight and your fresh water belt weight. Press then Calculate Button That's It! Your answer will appear automatically!

Gas Consumption
This script calculates a diver's theoretical gas consumption based on his SAC (CU.FT./Min.), dive time (Min.), and depth (Ft.).

MOD Calculator
This script calculates a MOD based on a mix (FO2) and max. po2 (PO2).

Partial Pressure
This script calculates the partial pressure (ata.) of a gas, given it's fraction of the total gas, and the depth (feet).

SAC Calculator
This script calculates a diver's SAC rate, in Cubic Feet per Minute, based on his average depth, length of time at that depth, how many PSI of gas were used, and the size of his tank.

Same Air
This script calculates a diver's theoretical air consumption based on a typical dive profile.

Tank Volume
This script calculates a the volume of gas (CU. FT. @1atm.) in a tank of a given rating (CU.FT at PSI) when it contains a given pressure (PSI).


You can use these calculators to calculate paintball trajectory, ballistic coefficient, distance, power, stability, and more..

The Physics of Paintball
Paintball Trajectory Calculator

JBM - Calculations - Ballistic Coefficient (Time)
Calculates the ballistic coefficient for a near velocity, time of flight, atmospheric conditions and drag function.

JBM - Calculations - Ballistic Coefficient (Velocity)
Calculates the ballistic coefficient for near and far velocities, atmospheric conditions and drag function.

JBM - Calculations - Drag Function Array Conversion
Converts an array of ballistic coefficients to available drag functions and recommends a single BC and drag function to use. This is most commonly used to convert multiple BCs to the best single BC.

JBM - Calculations - Drag Function Conversion
Converts a single ballistic coefficient for one drag function to a ballistic coefficient for another drag function. Also calculates the sectional density and form factors.

JBM - Calculations - Drag/Twist
Calculates the bullet CD, and CD components, BC required twist and stability for input twist. Inputs required are the bullet measurements including nose length, total length, boattail length, meplat diameter, base diameter, caliber, weight, atmospheric conditions and drag function.

JBM - Calculations - Maximum Distance
Calculates the maximum range a bullet can travel given the muzzle velocity, ballistic coefficient, weight and atmospheric conditions.

JBM - Calculations - Modified Point Mass Trajectory
Calculates a trajectory from bullet dimensions. This type of trajectory provides a good estimate for things like spin drift and stability.

JBM - Calculations - Power Factor
Calculates the power factor and checks divisions for IDPA, IPSC, TSA, USPSA and SASS. Output shows whether or not the division is made (green/red) and by how much in percent.

JBM - Calculations - Recoil
Calculates the free recoil energy and velocity using firearm weight, charge weight, bullet weight and firearm velocity.

JBM - Calculations - Stability
Calculate a stability factor for a bullet using the Miller stability formula.

JBM - Calculations - Trajectory
Calculate a trajectory from bullet, velocity, firearm and atmospheric parameters.

JBM - Calculations - Trajectory (Drift)
This is almost exactly like the Trajectory calculator, but it includes inputs for barrel twist, twist direction and bullet length.

JBM - Calculations - Trajectory (Simplified)
Many people don't use all the terms in the trajectory calculation page listed above, so this program uses the default values for inputs not set by the user.

JBM - Calculations - Trajectory Card
A range card for multiple temperatures and altitudes. The output is a matrix of values for bullet drop and windage as a function of temperature and altitude density.

JBM - Calculations - Trajectory μCard
A small range card. Most of the inputs are the same as the large trajectory card, but it also includes target direction and speed.

JBM - Calculations - Trajectory μCard - Constant Drop
A small range card but with regular drop intervals. It does this by finding ranges for which the drop is an even multiple of the desired values (e.g. every minute of angle). This causes the ranges to be irregular. The windage is displayed for the range and input wind speed.

JBM - Calculations - Trajectory μCard - Wind Only
A small range card with three columns of wind values only - no drop or target lead. This card does not include drift in the wind values.


You can use these calculators to calculate water, Sodium Hydroxide, fragrance, lye, cost, recipe, and more..

Soapulator - Soap Making Calculator
Begin by choosing what excess fat percentage and oil to water ratio you want your finished soap to contain, the unit of measurement you want to use in your recipe, and the lye base (NaOH or KOH) you will be using.

Suds N' Scents Lye Calculator
You can create "Cold Process" soap recipes quite easily with oils you have on hand.

Advanced Soap Calculator
This calculator can be used to make Solid Soaps, Liquid Soaps or Cream Soaps and can accomodate mixed sodium hydroxide/potassium hydroxide (NaOH/KOH) types and water-only or water+alcohol methods.

Cranberry Lane's Lye Calculator
Simply enter the weights of the oils or waxes in your soap formula and the calculator will determine the amount of Sodium Hydroxide and Water required.

Fragrance Calculator
In using the Fragrance Calculator, there are two ways to proceed. The first method is to choose the type of product you are making and how much you are making. The second method is to select the fragrance that you would want to use and then select the product you wish to fragrance.

Lye Calculator
Majestic Mountain Sage's Lye Calculator™ is a tool for soapmakers to create new soap recipes.

Lye Calculator for Making Cold Process Soap
Our lye calculator makes it easy for you to create your own cold process soap recipe.

Lye Calculator for Soap
This handy lye calculator will help you figure out how much lye (NaOH or KOH) to add to your soap recipe.

Measures Conversion Calculator
Use these calculators to convert from one unit of measure to another. Enter the number you wish to start with and then press TAB or click your mouse anywhere on the screen. The calculators will update and display the conversion instantly.

Soap Cost Calculator
Calculate soap cost.

Soap Recipe Calculator
Calculate lye by weight.

SoapCalc
One of the best and most comprehensive online lye calculators available.

Soapmaking Calculator
This calculator can be used to make Solid Soaps or Liquid Soaps. Calculations take into accounnt the typical impurities percentage found in NaOH and KOH supplies.


You can use these calculators to calculate material requirement, costs, production time, and more..

Financing Calculator
Most manufacturing processes require some large initial cost, such as that for equipment or tooling, which can be financed over several years. Based on the annual interest rate and payment term (months), the required monthly payments, total cost after interest, and the cost per part will be calculated.

Labor Cost Calculator
Determine the impact of labor on total production costs and part costs.

Material Usage Calculator
Calculate the total amount of raw material required, based on such parameters as the part weight, defect rate, and parts per cycle. Other useful weight calculations are provided as well, including the shot weight, material yield per cycle, scrap weight, and the weight of the parts and waste material.

Production Time Calculator
The production time for a manufacturing process is primarily determined from the cycle time, but must also account for the defect rate, machine uptime, and machines used. Using these parameters, the run quantity, run time, down time, total production time, and production rate (parts/hr) will be calculated.


You can use these calculators to calculate clamping force, cooling time and thermal diffusivity in the injection molding process.

Clamping Force Calculator
Clamping force refers to the force applied to a mold by the clamping unit of an injection molding machine.

Cooling Time Calculator
The cooling time refers to the time required for the molten plastic inside the mold to cool and solidify, and accounts for most of the injection molding cycle time.

Thermal Diffusivity Calculator
Thermal diffusivity is a material property which describes the rate at which heat flows through a material, typically measured in mm²/s or in²/hr. This property is commonly used in conjunction with other thermodynamic properties to estimate the cooling time of molten plastic in the injection molding process.


You can use these calculators to calculate drill size, drilling, milling and turning horsepower, speed and feed, and more..

Advanced Online Speed and Feed Calculator FSWizard
Calculate cutting speeds and feeds for a variety of materials. Estimate cutting forces and determine proper cutting conditions before starting your job.
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Drill Size Chart
The drill size chart provides a list of standard size drill bits in several measurement systems, including fractional, metric, wire gauge number, and letter.

Drilling Horsepower Calculator
Calculate the horsepower required for a drilling operation based on the feed rate and tool diameter, which are used to determine the material removal rate (or metal removal rate).

Drilling Speed and Feed Calculator
Determine the spindle speed (RPM) and feed rate (IPM) for a drilling operation, as well as the cut time for a given cut length.

Milling Horsepower Calculator
Calculate the horsepower required for a milling operation based on the feed rate and depth of cut, which are used to determine the material removal rate (or metal removal rate).

Milling Speed and Feed Calculator
Determine the spindle speed (RPM) and feed rate (IPM) for a milling operation, as well as the cut time for a given cut length. Milling operations remove material by feeding a workpiece into a rotating cutting tool with sharp teeth, such as an end mill or face mill.


iPhone and iPod calculators

Apple - Web apps - Car Depreciation Calculator
This effective calculator will help you decide how much you should pay for a new or used car. You can also estimate how much your own car is worth and what would be a fair asking price.

App Store - Kitchen Cooking Calculator
The best food and drink calculator in the whole app store. Over 75 measurement types, plus portion control capabilities to rescale measurements, packed with charts and guides, translations into 8 different languages, and constantly updated with new features. No other kitchen calculator can compare to our tool list. We are the brand leader.

App Store - Chemical Calculator
Welcome to Chemical Engineering Calculators, Calculators for Professionals and Students worldwide.

Engineering Unit Calculator App for iPad, iPhone - Reference - app by John McLemore - LisiSoft.com
This app converts typical engineering units.

Apple - Downloads - Dashboard Widgets - IP Subnet Calculator
Will calculate the Network Address, Broadcast Address, and number of hosts in a subnet given an IP address and Subnet Mask.

Construction Master Power and Versatility
Need quick, accurate solutions when meeting with a client? Left your calculator in the truck? Just pull out your iPhone, iPod touch, or iPad, tap on the Construction Master Pro icon, and you’ll have your answer in seconds.

Construction Master Pro for iPhone | Construction Calculators,Estimating Calculators,iPhone/iPad | Calculated Industries
Need quick, accurate solutions when meeting with a client? Left your calculator in the truck? Just pull out your iPhone, iPod touch, or iPad, tap on the Construction Master Pro icon, and you’ll have your answer in seconds. Ideal for Architects, Builders, Contractors, Designers, Draftspersons, Engineers, Framers/Carpenters and Tradesmen.

App Store - Transmission Line Calc
Transmission Line Calc allows you to perform several calculations related to RF transmission Lines.

App Store - CeramicsCalculator
Welcome to CERAMICS ENGINEERING Calculator, an Engineering Calculators for Engineers and Students worldwide, This calculators for solving complex equations and formulas in the field of Civil Engineering.

Steel Weight Calculator - All Metals & Forge
Need the approximate weight of your raw material?

App Store - Easy Books
Easy Books is professional business bookkeeping, invoicing and time-tracking for iPad, iPhone and Mac.

App Store - eBay & PayPal Fee Calculator
Harness the selling power of eBay and PayPal to sell everyday items, or operate your own eBay business using this app to determine when you should sell something on eBay! The eBay & PayPal Fee Calculator makes it EASY and SIMPLE to calculate eBay and PayPal fees and profits when selling on eBay.

Tipulator - The Fun Tip Calculator
Tipulator lets you easily calculate restaurant tips and split the bill on your iPhone and iPod touch.

App Store - Home Improvement Calcs
Home Improvement Calcs helps you calculate things like bricks, concrete, electrical, framing, heating, interiors, lumber, area, volume, angle, conversions, and much more. The developers pack in all of the tools you would ever need to get accurate calculations for your next home improvement project.

App Store - Debt Payoff Pro
Debt Payoff Pro will help you to payoff all your debts using the popular Debt-snowball method. Using this approach, you would pay the minimum payments on all your debts until your first debt is payoff. Then you would use the extra payment from the paid off debt and apply it to the next debt. The amount of extra payment will grow as more debts are payoff which results in a "snowball" affect that will help you to payoff subsequent debts faster and increasing your confidence in the process.

App Store - powerOne Finance Calculator - Pro Edition
Whether mortgages and real estate, finance and investing, math and science, medical, health, conversions or construction, powerOne has you covered. There are hundreds of spreadsheet-like calculator templates pre-installed or in the Library, ready right now for all kinds of what-if scenario analysis.

Apple - Web apps - Real Estate Investment Calculator
The price you should pay for income-producing property is a function of the cash flow. Too many investors look at criteria other than cash flow and end up making bad investment decisions. This application will tell you immediately what a property is worth based upon its cash flow.

Apple - Web apps - Salary Calculator
An application that breaks your salary down into yearly, monthly, weekly and hourly rates.

Romance Calculator
Got a secret crush? Want to know who your dream partner is? You'll love Romance Calculator!

Apple - Downloads - Dashboard Widgets - Dog Year Calculator
The old expression the dog year. Now see exactly how old you really are in dog years. Stop guessing and start calculating. This great widget will answer the question how old is your dog?

Apple - Web apps - Caveman Age Calculator
The Caveman Age Calculator will compare you to a caveman or cavewoman from over 100,000,000 years ago. How old will you be compared to Akhuba the “Tribe Leader” or Umah the “Gardener”?

Apple - Web apps - iCalorie
A tool to calculate calories burned during various exercises including, running, walking, biking, swimming, yoga and palates. This new version also includes a pace calculator for running, walking and biking.

Apple - Downloads - Dashboard Widgets - Aquarium Calculator
Calculate fish tank volume, heating, and lighting requirements.

App Store - Darts Calculator - quickly add dart scores
Do you struggle to add up the darts to know what has just been scored? How many times have you stood there unable to do simple maths under pressure? If the answers to these questions are Yes and Lots then this App is for you. Just input what scores have been made and this App will tell you how much was scored.

Handmade Soap Calculator
Choose from the list of oils then enter the weight ( oz / g ), you can calculate the amount of sodium hydroxide and water.

Soap Cost Calculator
Enjoy making your original soap with this lye calculator. No running about your computer, no lye and oil spots on your working table.

Hello Kitty Calculator
Fun and Simple Hello Kitty Calculator with 6 themes for your enjoyment.
IOS App

Calculator Mobile Web App
Calculator web app for mobile devices. Easy to use calculator that loads fast and works in any mobile-device web browser.
Javascript

App Store - Calcbot — The Intelligent Calculator
Never lose your place in a calculation again with the live as-you-type expression view. Simply swipe the keypad to the left to reveal advanced functions. See your past calculations in the history tape. You can even send old values and expressions back to your calculator or to a friend via email.

Calcbot — The Intelligent Calculator
Never lose your place in a calculation again with the live as-you-type expression view. Simply swipe the keypad to the left to reveal advanced functions. See your past calculations in the history tape. You can even send old values and expressions back to your calculator or to a friend via email.

Calculator
Designed with large buttons and a simple layout, offers multiple layouts. Now works on iPad and iPhones. It has received amazing reviews and feedback. Features include Big Buttons, Easy to use and it is easily the best simple calculator.

Calculator+
Calculator+ is an easy to use, beautifully packaged calculator for your iPad or iPhone that includes both a standard and scientific calculator.

Digits Calculator for iPad + iPhone
Why do so many of our reviewers call Digits Calculator the "best calculator on the App Store" on both the iPhone and iPad? Its uniquely correctable tape means never worrying if you entered a calculation correctly because you can check your entries. Make a mistake? Simply tap any entry on the tape to correct it (or edit it, insert a calculation, copy it, add a label/comment and more). Once the item is corrected the total is automatically recomputed!

Platinum Calculator
Platinum Calculator is arguably the most gorgeous calculator on the App store. It is a pleasure to use, from the glass buttons that light up when pressed to the subtle sounds effects used to differentiate the buttons.

App Store - Digits Calculator for iPad + iPhone
Digits Calculator is much more than a simple calculator. It is a more of a calculating tape that can be edited and refined as you do your math. The tape allows you to go back and change numbers. Another amazing feature is the ability to label your entries, which makes it great for remembering what that number is for. Multiple tapes are supported in the app, which help you carry out multiple calculations.

Calc for iPhone
The idea of »Calc« is quite simple: a table calculator that is not overloaded with keys and functions but one that provides an easy to use interface with just the operations you need the most. »Calc« intentionally includes just the basic airthmetic operations. The whole computation path is always visible next to the number keys.

Soulver - the notepad calculator
Soulver is the ultimate app for doing quick calculations and figuring stuff out on the iPhone. It's a far more elegant way to work with numbers than a traditional calculator.

TouchCalc
TouchCalc is a comfortable calculator program and offers several different modes. - The scientific mode offers all the usual functions and operations like the basic arithmetical operations, power, logarithm, roots, trigonometry etc. - The bit/integer mode offers logical operations (AND, OR, XOR, >>, etc.) on bit level. All values can be displayed as binary, octal, decimal or hexadecimal numbers. Calculations can be done in 8, 16 32 or 64 bits. - In the statistics mode you can create a sample by adding several values and then calculate mean, median, quantil values, variance, standard deviation, range etc. Colorized keys will help to distinguish between the different categories of the functions and operations.

TouchRPN
A fully unit-aware, scientific and engineering RPN (reverse polish notation) calculator. Great for anything from basic math in the supermarket to evaluating the ground state energy of a simple harmonic oscillator on your Quantum Mechanics final (if they let you in with an iPhone, of course). TouchRPN knows most basic physical constants and units, as well as household, cooking, and "imperial" units. A built-in tutorial will show you how to use RPN if you're stuck, as well as how to access the advanced features.
ios

Calculator+
powerOne® combines an algebraic and RPN calculator with simple, customizable, spreadsheet-like templates, giving you hundreds to choose from. Create your own, keep a history and share with others.

RPNCalc
RPNCalc is a four function calculator with simple trig functions. The calculator uses Reverse Polish Notation, has the ability to store multiple values, and includes functions to modify the order of values in the stack.
ios

App Store - Converter Plus (iPhone/iPod touch) [free]
Converter Plus is a unit converter with very extensive list of currencies and units in hundreds of categories. The list includes area, weight, energy, force, length, mass, power, pressure, speed, temperature, volume, bits and bytes and many more

MiniCalc Scientific Calculator for iPhone and iPod Touch
A nice little scientific calculator.
web

App Store - PCalc Lite Calculator
PCalc Lite is a fully functional and free taste of our popular scientific calculator. It includes an optional RPN mode, multiple undo and redo, unit conversions and constants, as well as two stylish themes and our highly praised design.

App Store - powerOne Scientific Calculator - Lite, Free Edition
powerOne® combines an algebraic and RPN calculator with simple, customizable, spreadsheet-like templates, giving you hundreds to choose from. Create your own, keep a history and share with others.

Calculator
Here's a full-featured scientific calculator for your iPhone or iPod touch. It's really six calculators in one, with new button sets exposed by a tap on the tab bar. Features are important, but it's the little things that count, right? Little things like a design that looks like it belongs on your iPhone; big, easy to press buttons; a delete key in case you hit the wrong one; and picking up right where you left off if you are interrupted by a phone call--even in the middle of entering a number.

Calculator+
Calculator+ is an easy to use, beautifully packaged calculator for your iPad or iPhone that includes both a standard and scientific calculator.

Crystal Calculator Free - Scientific Calculator...
Scientific Calculator shows your complete calculation formula, Comment for echo value in paper tape list, In-App Email formated formula paper tape.

HP iPhone Calculators | Uncrate
Turn your high-tech iPhone into a decades old single-purpose device with HP iPhone Calculators.

PCalc
PCalc is ideal for scientists, engineers, students, programmers, or indeed anybody looking for a feature-rich calculator for the iPad, iPhone, or iPod touch. It includes an extensive set of unit conversions, a paper tape, an RPN mode, engineering and scientific notation, as well as support for hexadecimal, octal and binary calculations.
ios

PCalc RPN Calculator
PCalc is ideal for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator. It includes an optional RPN mode and multi-line display, a choice of button layouts, an extensive set of unit conversions, a paper tape, multiple undo and redo, engineering and scientific notation, as well as support for hexadecimal, octal, and binary calculations.

TouchCalc
TouchCalc is a comfortable calculator program and offers several different modes. - The scientific mode offers all the usual functions and operations like the basic arithmetical operations, power, logarithm, roots, trigonometry etc. - The bit/integer mode offers logical operations (AND, OR, XOR, >>, etc.) on bit level. All values can be displayed as binary, octal, decimal or hexadecimal numbers. Calculations can be done in 8, 16 32 or 64 bits. - In the statistics mode you can create a sample by adding several values and then calculate mean, median, quantil values, variance, standard deviation, range etc. Colorized keys will help to distinguish between the different categories of the functions and operations.

Apple - Web apps - Baseball And Softball Base Running Speed Calculator
Designed to show the speed of a batter (becoming a baserunner), going from home plate to first base. We give you many different selections from baseball (major league and minor league), softball, Babe Ruth, and much more.

Bike Calculator
Slick! Snazzy! Easy to use. Powerful. Designed by a cyclist who is also an engineer and a photographer - it works great and looks great. Runs on all iOS devices.

Golf Calculator
This is a utility application to quickly add golf scores.

Apple - Downloads - Dashboard Widgets - Pace Calculator
Helps you calculate pace, distance or time when given two of the three values. Great for runners, cyclers and other athletes.


iPad calculators

Engineering Unit Calculator App for iPad, iPhone - Reference - app by John McLemore - LisiSoft.com
This app converts typical engineering units.

Construction Master Power and Versatility
Need quick, accurate solutions when meeting with a client? Left your calculator in the truck? Just pull out your iPhone, iPod touch, or iPad, tap on the Construction Master Pro icon, and you’ll have your answer in seconds.

App Store - Transmission Line Calc
Transmission Line Calc allows you to perform several calculations related to RF transmission Lines.

App Store - Easy Books
Easy Books is professional business bookkeeping, invoicing and time-tracking for iPad, iPhone and Mac.

App Store - eBay & PayPal Fee Calculator
Harness the selling power of eBay and PayPal to sell everyday items, or operate your own eBay business using this app to determine when you should sell something on eBay! The eBay & PayPal Fee Calculator makes it EASY and SIMPLE to calculate eBay and PayPal fees and profits when selling on eBay.

Calculator+
powerOne® combines an algebraic and RPN calculator with simple, customizable, spreadsheet-like templates, giving you hundreds to choose from. Create your own, keep a history and share with others.

App Store - Home Improvement Calcs
Home Improvement Calcs helps you calculate things like bricks, concrete, electrical, framing, heating, interiors, lumber, area, volume, angle, conversions, and much more. The developers pack in all of the tools you would ever need to get accurate calculations for your next home improvement project.

App Store - Debt Payoff Pro
Debt Payoff Pro will help you to payoff all your debts using the popular Debt-snowball method. Using this approach, you would pay the minimum payments on all your debts until your first debt is payoff. Then you would use the extra payment from the paid off debt and apply it to the next debt. The amount of extra payment will grow as more debts are payoff which results in a "snowball" affect that will help you to payoff subsequent debts faster and increasing your confidence in the process.

App Store - powerOne Finance Calculator - Pro Edition
Whether mortgages and real estate, finance and investing, math and science, medical, health, conversions or construction, powerOne has you covered. There are hundreds of spreadsheet-like calculator templates pre-installed or in the Library, ready right now for all kinds of what-if scenario analysis.

Romance Calculator
Got a secret crush? Want to know who your dream partner is? You'll love Romance Calculator!

Handmade Soap Calculator
Choose from the list of oils then enter the weight ( oz / g ), you can calculate the amount of sodium hydroxide and water.

Soap Cost Calculator
Enjoy making your original soap with this lye calculator. No running about your computer, no lye and oil spots on your working table.

Hello Kitty Calculator
Fun and Simple Hello Kitty Calculator with 6 themes for your enjoyment.
IOS App

Calculator Mobile Web App
Calculator web app for mobile devices. Easy to use calculator that loads fast and works in any mobile-device web browser.
Javascript

App Store - Calcbot — The Intelligent Calculator
Never lose your place in a calculation again with the live as-you-type expression view. Simply swipe the keypad to the left to reveal advanced functions. See your past calculations in the history tape. You can even send old values and expressions back to your calculator or to a friend via email.

Calcbot — The Intelligent Calculator
Never lose your place in a calculation again with the live as-you-type expression view. Simply swipe the keypad to the left to reveal advanced functions. See your past calculations in the history tape. You can even send old values and expressions back to your calculator or to a friend via email.

Calculator
Designed with large buttons and a simple layout, offers multiple layouts. Now works on iPad and iPhones. It has received amazing reviews and feedback. Features include Big Buttons, Easy to use and it is easily the best simple calculator.

Calculator+
Calculator+ is an easy to use, beautifully packaged calculator for your iPad or iPhone that includes both a standard and scientific calculator.

CalculatorBox
Four orientations of screen, Four Calculators! An ultimate and polished design All-In-One calculator for iPhone/iPod touch. Absolutely different from other calculators you see in App Store. Yes, it's an All IN ONE calculator. Just rotate your device and you will get four calculators: - Standard - Scientific - Programmer - Statistics

Digits Calculator for iPad + iPhone
Why do so many of our reviewers call Digits Calculator the "best calculator on the App Store" on both the iPhone and iPad? Its uniquely correctable tape means never worrying if you entered a calculation correctly because you can check your entries. Make a mistake? Simply tap any entry on the tape to correct it (or edit it, insert a calculation, copy it, add a label/comment and more). Once the item is corrected the total is automatically recomputed!

Jumbo Calculator for iPad on the iTunes App Store
Jumbo Calculator is great for anyone wanting the ease of use of a large buttoned calculator. Adding, subtracting, multiplying, dividing, squaring and square-rooting. One size fits all.

Platinum Calculator
Platinum Calculator is arguably the most gorgeous calculator on the App store. It is a pleasure to use, from the glass buttons that light up when pressed to the subtle sounds effects used to differentiate the buttons.

App Store - Digits Calculator for iPad + iPhone
Digits Calculator is much more than a simple calculator. It is a more of a calculating tape that can be edited and refined as you do your math. The tape allows you to go back and change numbers. Another amazing feature is the ability to label your entries, which makes it great for remembering what that number is for. Multiple tapes are supported in the app, which help you carry out multiple calculations.

Calc for iPhone
The idea of »Calc« is quite simple: a table calculator that is not overloaded with keys and functions but one that provides an easy to use interface with just the operations you need the most. »Calc« intentionally includes just the basic airthmetic operations. The whole computation path is always visible next to the number keys.

TouchCalc
TouchCalc is a comfortable calculator program and offers several different modes. - The scientific mode offers all the usual functions and operations like the basic arithmetical operations, power, logarithm, roots, trigonometry etc. - The bit/integer mode offers logical operations (AND, OR, XOR, >>, etc.) on bit level. All values can be displayed as binary, octal, decimal or hexadecimal numbers. Calculations can be done in 8, 16 32 or 64 bits. - In the statistics mode you can create a sample by adding several values and then calculate mean, median, quantil values, variance, standard deviation, range etc. Colorized keys will help to distinguish between the different categories of the functions and operations.

App Store - Converter Plus (iPhone/iPod touch) [free]
Converter Plus is a unit converter with very extensive list of currencies and units in hundreds of categories. The list includes area, weight, energy, force, length, mass, power, pressure, speed, temperature, volume, bits and bytes and many more

App Store - PCalc Lite Calculator
PCalc Lite is a fully functional and free taste of our popular scientific calculator. It includes an optional RPN mode, multiple undo and redo, unit conversions and constants, as well as two stylish themes and our highly praised design.

App Store - powerOne Scientific Calculator - Lite, Free Edition
powerOne® combines an algebraic and RPN calculator with simple, customizable, spreadsheet-like templates, giving you hundreds to choose from. Create your own, keep a history and share with others.

Calculator
Here's a full-featured scientific calculator for your iPhone or iPod touch. It's really six calculators in one, with new button sets exposed by a tap on the tab bar. Features are important, but it's the little things that count, right? Little things like a design that looks like it belongs on your iPhone; big, easy to press buttons; a delete key in case you hit the wrong one; and picking up right where you left off if you are interrupted by a phone call--even in the middle of entering a number.

Calculator+
Calculator+ is an easy to use, beautifully packaged calculator for your iPad or iPhone that includes both a standard and scientific calculator.

CalculatorBox
Four orientations of screen, Four Calculators! An ultimate and polished design All-In-One calculator for iPhone/iPod touch. Absolutely different from other calculators you see in App Store. Yes, it's an All IN ONE calculator. Just rotate your device and you will get four calculators: - Standard - Scientific - Programmer - Statistics

Crystal Calculator Free - Scientific Calculator...
Scientific Calculator shows your complete calculation formula, Comment for echo value in paper tape list, In-App Email formated formula paper tape.

PCalc RPN Calculator
PCalc is ideal for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator. It includes an optional RPN mode and multi-line display, a choice of button layouts, an extensive set of unit conversions, a paper tape, multiple undo and redo, engineering and scientific notation, as well as support for hexadecimal, octal, and binary calculations.

TouchCalc
TouchCalc is a comfortable calculator program and offers several different modes. - The scientific mode offers all the usual functions and operations like the basic arithmetical operations, power, logarithm, roots, trigonometry etc. - The bit/integer mode offers logical operations (AND, OR, XOR, >>, etc.) on bit level. All values can be displayed as binary, octal, decimal or hexadecimal numbers. Calculations can be done in 8, 16 32 or 64 bits. - In the statistics mode you can create a sample by adding several values and then calculate mean, median, quantil values, variance, standard deviation, range etc. Colorized keys will help to distinguish between the different categories of the functions and operations.

Golf Calculator
This is a utility application to quickly add golf scores.