Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Fluid Mechanics
Pump Power Calculator
Calculate the shaft power a pump must deliver to move fluid through a system against a given total head. Use this to size pump motors or estimate energy consumption in HVAC, water supply, and process engineering.
Fill in the required fields to see your result.
Fluid Mechanics
Pipe Friction Loss Calculator
Estimate the pressure head lost to friction in any pipe system using the Darcy-Weisbach equation. Use it when designing water supply lines, irrigation networks, or HVAC piping to ensure adequate flow pressure.
Fill in the required fields to see your result.
Key differences
| Pump Power Calculator | Pipe Friction Loss Calculator | |
|---|---|---|
| Category | Fluid Mechanics | Fluid Mechanics |
| Inputs required | 4 | 4 |
| Result | Required Power (kW) | Pressure Loss (Pa) |
| What it does | Calculate the shaft power a pump must deliver to move fluid through a system against a given total head. Use this to size pump motors or estimate energy consumption in HVAC, water supply, and process engineering. | Estimate the pressure head lost to friction in any pipe system using the Darcy-Weisbach equation. Use it when designing water supply lines, irrigation networks, or HVAC piping to ensure adequate flow pressure. |