Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
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.
Mechanical
Pump Head and Power Calculator
Calculate the hydraulic power required to drive a pump based on flow rate, total head (static plus friction), fluid density, and pump efficiency. Use this when selecting a pump motor or auditing energy consumption in a piping system.
Fill in the required fields to see your result.
Key differences
| Fan Airflow and Power Calculator | Pump Head and Power Calculator | |
|---|---|---|
| Category | Mechanical | Mechanical |
| Inputs required | 3 | 5 |
| Result | Airflow Rate (m³/h) | Required Power (W) |
| What it does | 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. | Calculate the hydraulic power required to drive a pump based on flow rate, total head (static plus friction), fluid density, and pump efficiency. Use this when selecting a pump motor or auditing energy consumption in a piping system. |