Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Mechanical
Fan Performance Calculator
Calculates the motor power (HP) required to drive a fan based on airflow rate, static pressure, and combined fan and motor efficiencies. Used by HVAC engineers and system designers to select appropriately sized fan motors.
Fill in the required fields to see your result.
Mechanical
Belt Length Calculator
Calculate the required belt length for a two-pulley drive system using pulley diameters and center distance. Use it for conveyor design, HVAC drive belts, and any power transmission layout.
Fill in the required fields to see your result.
Key differences
| Fan Performance Calculator | Belt Length Calculator | |
|---|---|---|
| Category | Mechanical | Mechanical |
| Inputs required | 4 | 3 |
| Result | Motor Power Required (HP) | Belt Length (mm) |
| What it does | Calculates the motor power (HP) required to drive a fan based on airflow rate, static pressure, and combined fan and motor efficiencies. Used by HVAC engineers and system designers to select appropriately sized fan motors. | Calculate the required belt length for a two-pulley drive system using pulley diameters and center distance. Use it for conveyor design, HVAC drive belts, and any power transmission layout. |