Water Info

Formulas and Conversions for Water Main Design

This calculator is to find the doage for the initial fill of a tank or pipeline. You will need to know the concentration of the chemical, specific gravity and your incoming concentration and concentration you want the disinfectant in the tank or pipeline. Usually it is 50 ppm.


Disinfection for Tank or Pipeline

Length in Feet:

Diameter in Inches:


Tank Volume:


Proposed outgoing chlorine concentraton in ppm or mg/L:

If chlorine is a liquid Enter Data Below

Specific gravity of chlorine:

Concentration %:

If chemial is a liquid use Gallons:

If chlorine is a Granular Enter Data Below

Concentration % Dry:

If dry chemical use Pounds:

Click this button to calculate the dosage: