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:
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 phase 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
Calculation with line to line voltage
The power P in watts (W) is equal to square root of 3 times the power factor PF times the phase 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)
Calculation with line to neutral voltage
The power P in watts (W) is equal to 3 times the power factor PF times the phase current I in amps (A), times the line to neutral RMS voltage VL-N in volts (V):
P(W) = 3 × PF × I(A) × VL-N(V)
See also
- Watts to volts calculator
- Volts to kW calculator
- How to convert volts to watts
- How to convert volts to kW
- Amp (A)
- Volt (V)
- Watt (W)
- Electrical calculation
- Power conversion
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