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
Pump Power Calculator
Calculate the shaft power and motor input power needed to pump a fluid against a given head. Use this for selecting pump and motor sizes in water supply, irrigation, and industrial systems.
Fill in the required fields to see your result.
Key differences
| Pump Power Calculator | Pump Power Calculator | |
|---|---|---|
| Category | Fluid Mechanics | Fluid Mechanics |
| Inputs required | 4 | 5 |
| Result | Required Power (kW) | Required Power (kW) |
| 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. | Calculate the shaft power and motor input power needed to pump a fluid against a given head. Use this for selecting pump and motor sizes in water supply, irrigation, and industrial systems. |