Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Mechanical
Belt Drive Calculator
Calculate the driven pulley speed for a belt drive system by entering pulley diameters and the drive shaft RPM. Use it when sizing pulleys for motors, conveyor systems, or power tools.
Fill in the required fields to see your result.
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.
Key differences
| Belt Drive Calculator | Shaft Power Calculator | |
|---|---|---|
| Category | Mechanical | Mechanical |
| Inputs required | 3 | 2 |
| Result | Driven Speed (RPM) | Power (W) |
| What it does | Calculate the driven pulley speed for a belt drive system by entering pulley diameters and the drive shaft RPM. Use it when sizing pulleys for motors, conveyor systems, or power tools. | 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. |