Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Engineering
Pump Power Calculator
Calculate the shaft power a pump must deliver to move fluid against a given head at a specified flow rate and efficiency. Ideal for selecting pumps in water supply, HVAC, and process piping systems.
Fill in the required fields to see your result.
Engineering
Pump Head & Power Calculator
Calculates the brake horsepower a pump motor must deliver to move a fluid at a given flow rate against static head and pipe friction losses. Use it when selecting pumps for irrigation, HVAC, chemical processing, or water supply systems.
Fill in the required fields to see your result.
Key differences
| Pump Power Calculator | Pump Head & Power Calculator | |
|---|---|---|
| Category | Engineering | Engineering |
| Inputs required | 5 | 5 |
| Result | Required Power (W) | Brake Horsepower Required (HP) |
| What it does | Calculate the shaft power a pump must deliver to move fluid against a given head at a specified flow rate and efficiency. Ideal for selecting pumps in water supply, HVAC, and process piping systems. | Calculates the brake horsepower a pump motor must deliver to move a fluid at a given flow rate against static head and pipe friction losses. Use it when selecting pumps for irrigation, HVAC, chemical processing, or water supply systems. |