HDPE Pipe Sizing Calculator

Size high-density polyethylene pipes for water service and distribution systems.

Required flow rate.
GPM
DR rating: 7, 9, 11, 13.5, 17, or 21.
DR
Total pipe length.
feet

Results

Recommended Size-inches
Pressure Loss-PSI
Velocity-ft/s
References: Based on ASTM D3035 HDPE pipe DR ratings and Hazen-Williams C=150