Induction Motor Slip Calculator

Calculate motor slip, rotor speed, torque, and slip power for three-phase induction motors.

Power supply frequency.
Hz
Motor pole count. 2-pole: 3600rpm, 4-pole: 1800rpm.
Measured or nameplate rotor speed.
rpm
Motor output power.
kW

Results

Synchronous Speed-rpm
Slip-%
Developed Torque-N·m
Rotor Frequency-Hz
Rotor Copper Loss-W
References: Chapman — Electric Machinery; NEMA MG-1