VA to kW Calculator

Convert volt-amps (VA) to kilowatts (kW) using power factor. Find real power from VA-rated equipment.

VA

REAL POWER

21.25 kW


IN WATTS

21,250 W

FORMULA

kW = (VA Γ— PF)/1000

πŸ’‘ How to Convert VA to kW

Formula

kW = (VA Γ— PF) / 1,000

Example: 25,000 VA at PF=0.85 β†’ kW = (25,000 Γ— 0.85) / 1,000 = 21.25 kW

A UPS rated at 3,000 VA with PF=0.9 delivers 2,700 watts (2.7 kW) of real power.

3,000 VA UPS Γ— 0.9 PF = 2,700W real power. Always check the UPS power factor.