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# Power Converter

Conversion of common power units. Use the calculator below to convert between MW (Megawatt), KWh (Kilowatt), W (watt), Horse Power (HP) and Btu per hour like: KW to BTU, Btu/hour to KW, MW to KW, hp to KW and so on.

### To:

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Detailed result here

## Concept of Power

Power is the rate of doing work or the rate of using energy. If you do 10 joules of work in two seconds, the power is 2 x 10 = 20 watts. The word "rate" here we means"per time".

### Common Units of Power

• The kilowatt is a unit of power used by electrical utilities. 1 kilowatt-hour is the energy of one kilowatt power flowing for one hour (E = P x t). One kilowatt is a thousand Watts.
• The Btu per hour (often erroneously shortened to Btu) is a unit of power used by the heating, ventilation, and cooling industry (HVAC). One Btu/h equals 0.293 watt.
• A horsepower is a unit of power sufficient to raise 33,000 pounds 1 foot every 1 minute (or 550 lbs, 1 ft, 1 sec) equivalent to roughly 745.70 W. Horsepower is the imperial (British) unit of power, now replaced by the Watt - the new SI unit. The metric horsepower is defined as the power required to raise a mass of 75 kilograms at a velocity of 1 meter per second. This is approximately 735.499 watts a little smaller than the horsepower.

## Sample Power Conversions

### Disclaimer

While every effort is made to ensure the accuracy of the information provided on this website, we offer no warranties in relation to these informations.