Watts to volts calculator

 

Watts (W) to volts (V)calculator.

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

Select current type:  
Enter power in watts: W
Enter current in amps: A
   
Voltage result in volts: V

 

Volts to watts calculator ►

DC watts to volts calculation

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

V(V) = P(W) / I(A)

AC single phase watts to volts calculation

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

V(V) = P(W) / (PF × I(A) )

AC three phase watts to volts calculation

Calculation with line to line voltage

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

VL-L(V) = P(W) / (3 × PF × I(A) ) ≈ P(W) / (1.732 × PF × I(A) )

Calculation with line to neutral voltage

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

VL-N(V) = P(W) / (3 × PF × I(A) )

 

Watts to volts calculation ►

 

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