Enter the current in amps (A), voltage in volts (V), power factor (PF) from 0 to 1 with a 0.1 step (for AC), then press the **Calculate** button to get the result in kilowatts (kW).

## DC Volts to watts calculation

W: 0

P_{(W)} = I_{(A)} x V_{(V)}

The power **P** in watts (W) is equal to the phase current **I** in amps (A), multiplied by the voltage **V** in volts (V).

## AC single phase volts to watts calculation

W: 0

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P_{(W)} = PF × I_{(A)} × V_{(V)}

The power **P** in watts (W) is equal to the power factor **PF**, multiplied by the phase current **I** in amps (A), multiplied by the RMS voltage **V** in volts (V).

## AC three phase volts to watts calculation

W: 0

P_{(W)} = √3 × PF × I_{(A)} × V_{L-L(V)}

The power **P** in watts (W) is equal to square root of 3, multiplied by the power factor **PF**, multiplied by the phase current **I** in amps (A), multiplied by the line to line RMS voltage **V**_{VL-L} in volts (V).

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