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Volt-Amps (VA) to Watts

Convert VA to watts using power factor 0.8 for UPS and generator sizing.

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How to use this converter
  1. 1Enter VA.
  2. 2Watts at PF 0.8 appears.
  3. 3Actual watts = VA × your equipment power factor.
Common questions
Watts = real power. VA = apparent power. Power factor is the ratio. Heaters have PF=1. Motors have PF 0.7-0.9.
500W ÷ 0.8 = 625 VA min. Buy 750 VA for headroom.
Related converters
Watts to KilowattsKilowatts to WattsWatts to Amps (120V)