# Calculator Directory

Percentage calculator
The percentage calculator allows you to find out what the amount, the percentage, the percent amount, the percent increase or the percent decrease is, if you know any of the two.

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.

## Computing

Selling ad banners has just got easier! Just enter two of the three fields of information, such as the total cost, CPM (cost per thousand impressions), and exposures (number of ads shown), and the calculator will solve the last field for you.

## Financial

Bond Valuation
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. Future versions of this calculator will allow for different interest frequency.
Car Lease
This calculator lets you calculate your estimated lease payments.
General Loan
This calculator allows you to calculate monthly payment, interest rate, total payments, and total interest of your loan.
Loan Length Calculator
Enter how much you want to spend each month, an interest rate, and a loan amount and the calculator tells you how long it will take you to pay it off!
Stocks vs. Bonds
How much do I keep in stocks and bonds?

### Financial Savings

Future Value/Annuity Calculation
Find out how much to put away tax deferred to get a certain amount of money in the future, and how much you could expect to draw out of that money. Just put in some numbers to see!
How long until you are a millionaire?
This calculator allows you to calculate how long it will take until you reach your desired account balance.
IRA/401(k)/403(b) Retirement Calculation
Find out how much to put away tax deferred to get a certain amount of money in the future, and how much you could expect to draw out of that money. Just put in some numbers to see!

### Financial Home

Home Equity Calculator
Use this calculator to see how much you may be eligible to borrow.
How much house can I afford?
This calculator allows you to calculate the amount you can afford to pay for a mortgage.
Mortgage Payment
The Mortgage Payment Calculator allows you to calculate monthly payments, average monthly interest, total interest, and total payment.
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.
Simple Mortgage Payment Calculator
This calculator allows you to calculate monthly payment, average monthly interest, total interest, and total payment of your mortgage.

## Sports & Hobbies

Armor Penetration Calculator
This calculator allows you to figure armor penetration.
High Performance Bass Fishing Boat Speed Calculator
Online High Performance Bass Fishing Boat Speed Calculator
Miles per Hour Calculator
This calculator allows you to calculate miles per hour.

## Converters

Binary Converter
Computers read and store the decimal numbers we see every day (1, 5, 10, 100, etc.) as binary numbers, a number of just 1s and 0s. All that you do is enter the decimal number and the calculator will output the binary equivalent! It is a binary converter!
Currency calculator
Currency calculator allows you to convert between currencies. Exchange between dollars, pounds, euro, yen, yuan, and many more.
Data Size Calculator
This calculator allows you to calculate data size in bits, nibbles, bytes, kilobytes, megabytes, gigabytes, and terabytes.
Temperature calculator
The temperature calculator allows you to convert temperature degrees between Celsius, Fahrenheit, Kelvin, Rankine, Delisle, Newton, Réaumur and Rømer. Enter a value in any field to see the other values.

## Health & Fitness

Body Mass Index Calculator
This calculator allows you to calculate your Body Mass Index (BMI). Body Mass Index (BMI) is a person's weight in kilograms divided by the square of height in meters. Find out your BMI and what it means for your health.
Calories Calculator
This calculator allows you to figure out how many calories you have burned.
Pregnancy Calculator
This calculator allows you to calculate your due date, conception date, and fetal age.

## Fun

Days until Christmas
Use this calculator to find out how many days are left until Christmas.
The Love Calculator
Fill in your name and his/her name and find out what are the chances for the two of you!
Love Compatibility Calculator
To find out what the chances for you and your dream partner are, just fill in your and his or her Info and click Calculate.

## Math

Perches to square meters and square feet Calculator
Online Perches to meters and feet Calculator.
Stem and Leaf Plot
This calculator allows you to create a special table where each data value is split into a stem (the first digit or digits) and a leaf (usually the last digit).