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Use our free VA to kW calculator to convert volt-amps to kilowatts (kW) accurately. Supports single and three-phase power systems with formula & examples.
The VA to kW Calculator helps you convert apparent power (volt-amperes) into real power (kilowatts). To get an accurate result, the calculation takes into account the power factor and system type (single or three-phase). This is critical for sizing electrical equipment and optimizing load efficiency.
kW = (VA × PF) ÷ 1000kW = (VA × PF × √3) ÷ 1000Convert volt-amperes (VA) to kilowatts (kW) using our fast and accurate VA to kW Calculator. This tool works for both single-phase and three-phase systems, using voltage and power factor to deliver precise real power values. It's ideal for engineers, electricians, and energy professionals.
| VA | PF | kW (Single Phase) | kW (Three Phase) |
|---|---|---|---|
| 1000 | 0.8 | 0.8 | 1.39 |
| 5000 | 0.9 | 4.5 | 7.79 |
Use the formula: kW = (VA × Power Factor) ÷ 1000.
Power factor is the ratio of real power to apparent power, usually between 0.7 and 1.
Yes, it directly affects the kW result from VA.
VA (volt-ampere) is the unit of apparent power in AC systems.
No, power factor is necessary for accurate conversion.
Use the formula: kW = (VA × PF × √3) ÷ 1000.
kW stands for kilowatt, a unit of real power.
For DC, VA = W, so no PF is needed; divide by 1000 to get kW.
Because VA includes both real and reactive power, not just real power.
Yes, it's accurate and supports both single and three-phase loads.
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