Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Mechanical
Shaft Power Calculator
Calculates the mechanical power transmitted through a rotating shaft given its torque and rotational speed. Use this when sizing motors, gearboxes, or drive shafts in mechanical systems.
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
| Shaft Power Calculator | Belt Length Calculator | |
|---|---|---|
| Category | Mechanical | Mechanical |
| Inputs required | 2 | 3 |
| Result | Power (W) | Belt Length (mm) |
| What it does | Calculates the mechanical power transmitted through a rotating shaft given its torque and rotational speed. Use this when sizing motors, gearboxes, or drive shafts in mechanical systems. | 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. |