How to convert apparent power in volt-amps (VA) to real power in kilowatts (kW).
Volt-amps to kW calculation formula
The real power P in kilowatts (kW) is equal to the apparent power S in volt-amps (VA), times the power factor PF divided by 1000:
P(kW) = S(VA) × PF / 1000
So kilowatts are equal to volt-amps times the power factor divided by 1000.
kilowatts = volt-amps × PF / 1000
or
kW = VA × PF / 1000
Example
What is the real power in kilowatts when the apparent power is 3000 VA and the power factor is 0.8?
Solution:
P = 3000VA × 0.8 / 1000 = 2.4kW