Calculate kilowatts from volts and amps.
Use the amps selector to complete the calculation.
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.
kW = Volts × Amps ÷ 1000
| Volts | kW at 120V |
|---|---|
| 120 | 1.8 |
| 240 | 3.6 |
| 347 | 5.21 |
| 480 | 7.2 |
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