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.

Hot Mix Calculator - Building the Roads of Tomorrow
This calculator will estimate how much hot mix asphalt (in tons) is required for your job based on your mix type and measurements!

Odav OnLine LiveCalculator - [ Civi & Mechanical Engineering ] Air Flow Conversion

Odav OnLine LiveCalculator - [ Civi & Structural Engineering ] Beam Stiffness

Odav OnLine LiveCalculator - [ Civi & Structural Engineering ] Concrete Slab & Footing
Enter the dimension values such as length, width and depth. Then, press "Calculate" to compute the cubic yards for individual dimensions and total cubic yards.

Odav OnLine LiveCalculator - [ Civi & Structural Engineering ] General Concrete
Enter the required values to compute for the Volume of Concrete needed.

Odav OnLine LiveCalculator - [ Civi & Structural Engineering ] Mechanics & Theory of Structures
Enter the given values then press on "Calculate" to compute the required value.

Odav OnLine LiveCalculator - [ Civi & Structural Engineering ] Pressure Conversion
Enter the value you'd required to convert. Then, press on your desired conversion button to compute the equivalent value you've initially inputted.

Odav OnLine LiveCalculator - [ Civi & Structural Engineering ] Ready Mix Concrete Calculator
Enter dimension values such as length, width & depth of your subjected item. Then, press "Calculate" button to compute the volume and the number of full loads of 6 cubic meter truck mixer.

Odav OnLine LiveCalculator - [ Civi & Structural Engineering ] Speed, Distance & Time Calculator
Enter the value, select the corresponding unit and then press "calculate" to compute the data.

Odav OnLine LiveCalculator - [ Civi & Structural Engineering ] Steel Beam Design
Enter the given value, select the material property then press "Calculate" to compute the defelection and the stress strength value.

Odav OnLine LiveCalculator - [ Civi & Structural Engineering ] Strength Mechanics
Enter the given data available on your hand then press on "Calculate" to compute the required values you're looking into which will appear right away.

Odav OnLine LiveCalculator - [ Civi & Structural Engineering ] Structural Metal Weight
Enter the given data available on your hand then press on "Calculate" to compute the required values you're looking into which will appear right away.

Odav OnLine LiveCalculator [ Mechanical Engineering ] Vehicle Speed Calculation
Enter the given data available on your hand then press on "Calculate" to compute the required values you're looking into which will appear right away.

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

Welcome to A.E. Stone - Paving the Roads of Tomorrow
This calculator will estimate how much stone and/or sand (in tons) that are required for your job based on your material type and measurements.