Electrical Efficiency Calculator

Ratio of electrical (or mechanical) output power to electrical input power.

η = P_out / P_in × 100 %
  • η = efficiency
  • P_out = output power
  • P_in = input power

Inputs

Result

Enter values and press Calculate.
η = P_out / P_in × 100 %

For educational and general reference only. Results depend on the accuracy of the values entered and are rounded to the selected precision. Verify critical designs with a qualified engineer and applicable codes. Full disclaimer

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