Engineering
Pulley Calculator
Calculate mechanical advantage and force in pulley systems
Mechanical Advantage4 View results
N
%
Real-time Results
Mechanical Advantage
4
Theoretical mechanical advantage
Ideal Effort Force
125.00N
Force needed in an ideal (frictionless) system
Actual Effort Force
156.25N
Supported inputs
| Input | Description |
|---|---|
| Pulley Type | Type of pulley system fixed · movable · compound |
| Load Force (N) (N) | Weight of the object to be lifted |
| Number of Rope Segments | For compound pulleys: number of rope segments supporting the load |
| System Efficiency (%) | Efficiency of the pulley system (0-100%) |
Formula
MA = number of rope segments supporting load Ideal Effort = Load Force / MA Actual Effort = Ideal Effort / Efficiency
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