Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Mechanical
Pump Power Calculator
Calculate the shaft power a centrifugal pump motor must deliver to move fluid against a given head at a specified flow rate. Use it when selecting pump motors or auditing energy consumption in piping systems.
Fill in the required fields to see your result.
Mechanical
Fan Airflow and Power Calculator
Calculates fan power consumption from blade swept area, rotational speed, and static pressure. Use it when sizing ventilation fans or verifying energy budgets for HVAC and industrial systems.
Fill in the required fields to see your result.
Key differences
| Pump Power Calculator | Fan Airflow and Power Calculator | |
|---|---|---|
| Category | Mechanical | Mechanical |
| Inputs required | 4 | 3 |
| Result | Required Power (kW) | Airflow Rate (m³/h) |
| What it does | Calculate the shaft power a centrifugal pump motor must deliver to move fluid against a given head at a specified flow rate. Use it when selecting pump motors or auditing energy consumption in piping systems. | Calculates fan power consumption from blade swept area, rotational speed, and static pressure. Use it when sizing ventilation fans or verifying energy budgets for HVAC and industrial systems. |