Pipe Friction Loss
Calculate pressure drop and head loss in pipes
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How to Use This Calculator
Flow.
Diameter.
Length.
Get Loss.
Understanding Pipe Friction Loss Calculations
Hazen-Williams.
Pressure drop.
Pump sizing.
Velocity.
Formula & Calculations
Loss per 100ft x Length
Key Factors to Consider
Pipe roughness (C-factor)
Fittings (Equiv length)
Viscosity
Elevation
Frequently Asked Questions
1C-factor PVC?
150 (smooth).