Motor systems
Motor Speed and Slip Calculator
Calculate induction motor synchronous speed, slip RPM, and slip percentage from frequency, poles, and actual speed.
Systems worksheet
Calculation inputs
RPM
Calculated result
1,800 A
Planning estimateConfirm equipment ratings, manufacturer limits, adopted code requirements, and system-specific calculations before installation.
Method and field check
Synchronous speed equals 120 times frequency divided by pole count. Compare actual speed with the ideal value and verify nameplate and drive conditions.