# Amps to Watts calculator

Enter the current in amps (A), voltage in volts (V), then press the Calculate button to get the result in watts (W).

## DC Amps to watts calculation

Current in amps (A)
Voltage in volts (V)

P(W) =I(A) × 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 Amps to watts calculation

Current in amps (A)
Voltage in volts (V)
Power factor (PF)

P(W) = PF × I(A) × V(V)

The real 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 Amps to watts calculation

### Line to line voltage

Current in amps (A)
Voltage in volts (V)
Power factor (PF)

P(W) = √3 × PF × I(A) × VL-L (V)

The real 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 VL-L in volts (V).

### Line to neutral voltage

Current in amps (A)
Voltage in volts (V)
Power factor (PF)

P(W) = 3 × PF × I(A) × VL-N (V)

The real power P in watts (W) is equal to 3, multiplied by the power factor PF, multiplied by the phase current I in amps (A), multiplied by the line to neutral RMS voltage VL-N in volts (V).