# Power Conversion Calculators

To convert a unit of power to another, choose a unit to convert from.
SI Units
US Customary & Imperial Units
Other Units

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## Units of Power Measurement

Units of power include watts, microwatts, milliwatts, kilowatts, megawatts, horsepower, btu per hour, and kilocalories per hour.

## Common Power Measurement Conversions

Watts to kilowatts power conversion
1 watt is equal to 0.001 kilowatts
Watts to btu per hour power conversion
1 watt is equal to 3.412142 btu per hour
Kilowatts to watts power conversion
1 kilowatt is equal to 1,000 watts
Kilowatts to btu per hour power conversion
1 kilowatt is equal to 3,412 btu per hour
Btu Per Hour to watts power conversion
1 btu per hour is equal to 0.293071 watts
Btu Per Hour to kilowatts power conversion
1 btu per hour is equal to 0.000293 kilowatts

## Power Unit Conversion Table

Equivalent power measurements, including equivalent watt, horsepower, btu per hour, and kilocalories per hour values.
Convert From Watt Microwatt Milliwatt Kilowatt Megawatt Horsepower Btu Per Hour Kilocalorie Per Hour
1 watt = 1 W 1,000,000 µW 1,000 mW 0.001 kW 0.000001 MW 0.001341 hp 3.412142 Btu/h 0.860421 kcal/h
1 microwatt = 0.000001 W 1 µW 0.001 mW 0.000000001 kW 0.000000000001 MW 0.000000001341 hp 0.0000034121 Btu/h 0.00000086042 kcal/h
1 milliwatt = 0.001 W 1,000 µW 1 mW 0.000001 kW 0.000000001 MW 0.000001341 hp 0.003412 Btu/h 0.00086 kcal/h
1 kilowatt = 1,000 W 1,000,000,000 µW 1,000,000 mW 1 kW 0.001 MW 1.341022 hp 3,412 Btu/h 860.420815 kcal/h
1 megawatt = 1,000,000 W 1,000,000,000,000 µW 1,000,000,000 mW 1,000 kW 1 MW 1,341 hp 3,412,142 Btu/h 860,421 kcal/h
1 horsepower = 745.699872 W 745,699,872 µW 745,700 mW 0.7457 kW 0.000746 MW 1 hp 2,544 Btu/h 641.615691 kcal/h
1 btu per hour = 0.293071 W 293,071 µW 293.071 mW 0.000293 kW 0.00000029307 MW 0.000393 hp 1 Btu/h 0.252164 kcal/h
1 kilocalorie per hour = 1.162222 W 1,162,222 µW 1,162 mW 0.001162 kW 0.0000011622 MW 0.001559 hp 3.965667 Btu/h 1 kcal/h

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