Logo
Power to Voltage Converter

Watts to Volts Calculator

Determine required circuit voltage in Volts (V) from wattage (W) and current (Amps) for AC single-phase, three-phase, or DC systems.

Conversion Inputs

Enter wattage and amperage to calculate circuit voltage.

Calculated Voltage

150 V

Estimated AC / DC Potential Difference

Formula Used: V = W / (A × PF)
Standard Grid Match: 120V / 240V Nominal