Compare calculators
Both calculators run independently — 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
Belt Tension Calculator
Find the tight-side tension required in a belt drive to transmit a given power at a known belt speed. Use it when designing V-belt or flat-belt systems to size belts, pulleys, and shafts correctly.
Fill in the required fields to see your result.
Key differences
| Belt Drive Calculator | Belt Tension Calculator | |
|---|---|---|
| Category | Mechanical | Mechanical |
| Inputs required | 3 | 4 |
| Result | Driven Speed (RPM) | Tight Side Tension (N) |
| 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. | Find the tight-side tension required in a belt drive to transmit a given power at a known belt speed. Use it when designing V-belt or flat-belt systems to size belts, pulleys, and shafts correctly. |