Electric Motor Efficiency Calculator

Electrical motor efficiency is the ratio between output power measured at motor shaft and the input power given to the motor. This calculator takes shaft output power in Horsepower or Watt to calculate the electrical motor efficiency.

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Electrical motor efficiency is the ratio between output power measured at motor shaft and the input power given to the motor. This calculator takes shaft output power in Horsepower or Watt to calculate the electrical motor efficiency.

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Formula:

ηm = Pout / Pin ( For Watt Unit) ηm = ( Pout * 746 ) / Pin ( For Horsepower Unit) Where, ηm = Electrical Motor Efficiency Pout = Shaft Power Out Pin = Electric Power

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