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Both calculators run independently — change the inputs on either side to compare results.
Mechanical
Pulley System Calculator
Calculate the effort force required to lift a load using fixed, movable, or compound pulley systems at a given mechanical efficiency. Ideal for rigging engineers, physics students, and maintenance teams planning lifts.
Fill in the required fields to see your result.
Mechanical
Pulley Speed Calculator
Calculates the output shaft speed of a belt-and-pulley system based on pulley diameters and input speed. Use it when designing drive systems to achieve a target RPM ratio between driver and driven shafts.
Fill in the required fields to see your result.
Key differences
| Pulley System Calculator | Pulley Speed Calculator | |
|---|---|---|
| Category | Mechanical | Mechanical |
| Inputs required | 4 | 3 |
| Result | Required Pull Force (N) | Output Speed (rpm) |
| What it does | Calculate the effort force required to lift a load using fixed, movable, or compound pulley systems at a given mechanical efficiency. Ideal for rigging engineers, physics students, and maintenance teams planning lifts. | Calculates the output shaft speed of a belt-and-pulley system based on pulley diameters and input speed. Use it when designing drive systems to achieve a target RPM ratio between driver and driven shafts. |