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Generator Speed & AC Frequency

RPM to Frequency Calculator

Calculate output electrical frequency in Hertz (Hz) from alternator rotation speed in RPM and rotor magnetic poles.

Conversion Inputs

f = (RPM × Poles) / 120

AC Frequency

60 Hz

Standard Grid Sync Frequency

Target Standard: 60 Hz (North America / Japan)
RPM per Hz: 60 RPM / Hz