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kVA to kW Calculator

Convert kVA to kW and current for single or three-phase supplies.

kVA
V

How it works

kW = kVA × power factor. Current = kVA × 1000 ÷ voltage for single-phase, or ÷ (√3 × voltage) for three-phase using line-to-line voltage. Generators are commonly rated at a power factor of 0.8. Example: with the default values, real power comes to 40 kW.

FAQ

Is this calculator free?

Yes. No signup is needed and nothing you enter is stored.

Is the result exact?

Results are rounded for display. For financial, medical, or legal decisions, confirm with a professional.

Do my numbers leave my device?

No. The calculation runs in your browser.