kW to VA Calculator

Convert kilowatts (kW) to volt-amps (VA) using power factor. Calculate the apparent power in VA for UPS and power supply sizing.

ByPRIYA SHARMAโ€ขUpdated April 20, 2026
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Reviewed byDR. RAJIV NAIR
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Fact checked byNEHA KAPOOR
kW

APPARENT POWER

5,882 VA


IN kVA

5.88 kVA

FORMULA

VA = (kWร—1000)/PF

POWER FACTOR

0.85

๐Ÿ’ก How to Convert kW to VA

Formula

VA = (kW ร— 1,000) / PF

Example: 5 kW at PF = 0.85 โ†’ VA = 5,000 / 0.85 = 5,882 VA

UPS systems are rated in VA. To ensure your UPS can handle your load, convert the load's real power (kW) to apparent power (VA).

5 kW รท 0.85 PF = 5,882 VA. Always size your UPS based on VA, not watts.