# Volts to watts calculator

Volts (V) to watts (W) calculator.

Enter the voltage in volts, current in amps and press the Calculate button to get the power in watts:

 Select current type: DC AC - Single phase AC - Three phase Enter voltage in volts: V Enter current in amps: A Power result in watts: W

Watts to volts calculator

### DC volts to watts calculation formula

The power P in watts (W) is equal to the voltage V in volts (V), times the current I in amps (A):

P(W) = V(V) × I(A)

### AC single phase volts to watts calculation formula

The power P in watts (W) is equal to the power factor PF times the current I in amps (A), times the RMS voltage V in volts (V):

P(W) = PF × I(A) × V(V)

### AC three phase volts to watts calculation formula

The power P in watts (W) is equal to square root of 3 times the power factor PF times the current I in amps (A), times the line to line RMS voltage VL-L in volts (V):

P(W) = 3 × PF × I(A) × VL-L(V)

≈ 1.732 × PF × I(A) × VL-L(V)

Volts to watts calculation