💦 Hazen-Williams (C=150 PVC / Poly), Zone GPM Flow & Rotor Head PSI

Commercial Irrigation Pipe Friction Loss Calculator

Size commercial irrigation mainline and lateral sprinkler pipes: calculate Hazen-Williams dynamic friction loss (PSI drop per 100 ft) across Class 200 PVC and HDPE pipe, balance zone flow rates (GPM), and maintain optimal 45-65 PSI at commercial rotor sprinkler heads.

1. Project & Operating Inputs

Irrigation Zone Water Flow Rate (Gallons / Minute - GPM)

Pipe Run Distance to Furthest Rotor (Feet e.g. 350 ft)

Customer Bid Price for Complete Commercial Zone ($)

Class 200 Pipe, Valves, Rotors, Trencher & Labor ($)

2. Financial Breakdown & Yield

IRRIGATION FRICTION LOSS (HAZEN-WILLIAMS)

Turnkey Job Gross Profit

Irrigation Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost