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Both calculators run independently — change the inputs on either side to compare results.
Plumbing
Water Pressure Loss Calculator
Calculates friction-induced pressure drop along a water pipe using the Hazen-Williams equation. Use it when designing irrigation systems, fire suppression lines, or building water supply networks where adequate pressure at the endpoint matters.
Fill in the required fields to see your result.
Plumbing
Pipe Friction Loss Calculator
Calculates pressure loss (in PSI) due to pipe friction using the Hazen-Williams equation, given flow rate, pipe length, diameter, and material. Ideal for plumbers and engineers sizing water supply lines.
Fill in the required fields to see your result.
Key differences
| Water Pressure Loss Calculator | Pipe Friction Loss Calculator | |
|---|---|---|
| Category | Plumbing | Plumbing |
| Inputs required | 3 | 4 |
| Result | Pressure Loss (PSI) | Pressure Loss (PSI) |
| What it does | Calculates friction-induced pressure drop along a water pipe using the Hazen-Williams equation. Use it when designing irrigation systems, fire suppression lines, or building water supply networks where adequate pressure at the endpoint matters. | Calculates pressure loss (in PSI) due to pipe friction using the Hazen-Williams equation, given flow rate, pipe length, diameter, and material. Ideal for plumbers and engineers sizing water supply lines. |