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## TopEngineering Civil

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!