Hazen-Williams Water Pipe Friction Loss & Pressure Drop Calculator
Calculate hydrodynamic head loss in feet of water, friction PSI drop per 100ft, and flow velocity for PVC, Copper, and Steel pipes.
Inputs used by this tool
Enter values in the interactive controls when the page loads. The result depends on the assumptions and units shown for each field.
Input type: number
Input type: number
Input type: number
Input type: select
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