# Power Unit Conversion Calculators

**SI Units**

**US Customary & Imperial Units**

**Other Units**

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## Units of Power Measurement

## 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

Convert From | Watt | Microwatt | Milliwatt | Kilowatt | Megawatt | Mechanical Horsepower | Electric 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(I) | 0.00134 hp(E) | 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(I) | 0.0000000013405 hp(E) | 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(I) | 0.0000013405 hp(E) | 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(I) | 1.340483 hp(E) | 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(I) | 1,340 hp(E) | 3,412,142 Btu/h | 860,421 kcal/h |

1 mechanical horsepower = | 745.699872 W | 745,699,872 µW | 745,700 mW | 0.7457 kW | 0.000746 MW | 1 hp(I) | 0.999598 hp(E) | 2,544 Btu/h | 641.615691 kcal/h |

1 electric horsepower = | 746 W | 746,000,000 µW | 746,000 mW | 0.746 kW | 0.000746 MW | 1.000402 hp(I) | 1 hp(E) | 2,545 Btu/h | 641.873928 kcal/h |

1 btu per hour = | 0.293071 W | 293,071 µW | 293.071 mW | 0.000293 kW | 0.00000029307 MW | 0.000393 hp(I) | 0.000393 hp(E) | 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(I) | 0.001558 hp(E) | 3.965667 Btu/h | 1 kcal/h |

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