Pipe run · calculator
Pipe Friction Loss Calculator
Estimate Hazen-Williams water-pipe friction loss in PSI and feet of head.
Method shownUnits declaredLimits included
Input bench
Enter operating conditions
Estimate Hazen-Williams pipe friction loss.
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Applicability
Use the model within its limits
Include equivalent fitting length and use actual inside diameter.
Method record
What this result represents
- System
- Pipe run
- Formula
- h = 4.52LQ¹·⁸⁵ ÷ (C¹·⁸⁵d⁴·⁸⁷)
- Review
- Verify safety-sensitive work with qualified guidance.