Water Info

Formulas and Conversions for Water Main Design

This calculator will convert the friction factor k to a head loss in feet for a certain flow and pipe diameter. k is used to represent the friction for any size and flow, to get a specific loss, the flow and diameter is needed.

Convert k to h

Enter a k unitless:

Enter a Flow in Gallons per Minute:

Enter a Diameter in Inches:

Click this button to calculate the h in feet of loss:

h as head loss in feet is: