Power Unit Converter Calculator

Convert Between Watts, Horsepower, BTU/h, and More

1 kW
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About Power Units

Power is the rate at which energy is transferred, used, or transformed. The SI unit for power is the watt (W), but there are several other common units used in different contexts:

Watt (W)

The standard unit of power, equal to one joule per second.

Horsepower (hp)

Commonly used for engine power, 1 hp ≈ 746 watts.

BTU/hour

Often used in heating and cooling applications.