UnitConversion

Watts to Volts Calculator

Calculator

Calculate volts from watts and amps.

Use the amps selector to complete the calculation.

Common Voltage Guide

120V is commonly used for standard household outlets in Canada and the United States.
240V is commonly used for dryers, stoves, hot tubs, and EV chargers.
208V is common in many commercial buildings.
277V is often used for commercial lighting.
347V is common for Canadian commercial lighting systems.
480V is commonly used for industrial motors and equipment.

Formula

Volts = Watts ÷ Amps

Quick Reference Table

WattsVolts at 120V
1800120
3600240
5205347
7200480

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