Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Mechanical
Belt Drive Length Calculator
Calculate the required belt length for open or crossed two-pulley drive systems given pulley diameters and center distance. Used by mechanical engineers and technicians when sizing V-belts or flat belts for machinery.
Fill in the required fields to see your result.
Mechanical
Torque and Power Calculator
Convert between torque, rotational speed, and mechanical power for motors, engines, and drivetrain components. Use it when sizing a motor or verifying shaft power output at a given RPM and efficiency.
Fill in the required fields to see your result.
Key differences
| Belt Drive Length Calculator | Torque and Power Calculator | |
|---|---|---|
| Category | Mechanical | Mechanical |
| Inputs required | 4 | 4 |
| Result | Belt Length (mm) | Result (kW) |
| What it does | Calculate the required belt length for open or crossed two-pulley drive systems given pulley diameters and center distance. Used by mechanical engineers and technicians when sizing V-belts or flat belts for machinery. | Convert between torque, rotational speed, and mechanical power for motors, engines, and drivetrain components. Use it when sizing a motor or verifying shaft power output at a given RPM and efficiency. |