Three Phase Power Calculator

Calculate three-phase apparent, real and mechanical output power from line voltage and current. Assumes balanced sinusoidal three-phase power at the entered power factor and efficiency. This browser-local calculator updates from numeric inputs and shows a labelled breakdown without uploading your data.

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Result

Worked examples

Line voltage (V) 400 · Line current (A) 20 · Power factor 0.9 · Efficiency (%) 95

First calculated quantity: 13.8564 kVA

Calculate three-phase apparent, real and mechanical output power from line voltage and current. Assumes balanced sinusoidal three-phase power at the entered power factor and efficiency.

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