Motor RPM Calculator
Calculate synchronous motor speed using frequency and number of poles.
Power
Animated Motor & Gear Rotation
How This Calculator Works
This calculator estimates the synchronous speed of an AC motor. Enter the supply frequency and number of motor poles. The RPM is calculated using the standard motor speed formula.
Example:
Frequency = 50 Hz
Poles = 4
RPM = (120 × 50) ÷ 4
RPM = 1500