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Both calculators run independently — change the inputs on either side to compare results.
Engineering
Pipe Flow & Pressure Drop Calculator
Calculates pressure drop along a pipe using the Hazen-Williams equation, accounting for pipe material, flow rate, diameter, length, and elevation change. Use it to size water distribution pipes, fire suppression systems, and irrigation lines.
Fill in the required fields to see your result.
Engineering
Pipe Flow Pressure Drop Calculator
Calculate the pressure drop along a pipe section using the Darcy-Weisbach equation. Use this when designing water distribution systems, HVAC ductwork, or any piping network where flow resistance must be quantified.
Fill in the required fields to see your result.
Key differences
| Pipe Flow & Pressure Drop Calculator | Pipe Flow Pressure Drop Calculator | |
|---|---|---|
| Category | Engineering | Engineering |
| Inputs required | 5 | 4 |
| Result | Pressure Drop (psi) | Pressure Drop (Pa) |
| What it does | Calculates pressure drop along a pipe using the Hazen-Williams equation, accounting for pipe material, flow rate, diameter, length, and elevation change. Use it to size water distribution pipes, fire suppression systems, and irrigation lines. | Calculate the pressure drop along a pipe section using the Darcy-Weisbach equation. Use this when designing water distribution systems, HVAC ductwork, or any piping network where flow resistance must be quantified. |