›› Measurement unit: HP

Full name: horsepower [international]

Plural form: horsepower

Symbol: hp

Category type: power

Scale factor: 745.699871582


›› Similar units

horsepower [electric]
horsepower [international]
horsepower [metric]
horsepower [water]


›› SI unit: watt

The SI derived unit for power is the watt.
1 watt is equal to 0.0013410220896 HP.


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›› Definition: Horsepower

The term horsepower was invented by the engineer James Watt in 1782. Mechanical horsepower is defined in this way:

1 hp = 33,000 ft·pound-force·min−1 = exactly 745.69987158227022 W


›› Sample conversions: HP

HP to kilogram-force meter/hour
HP to foot pound-force/second
HP to Btu/hour [I.T.]
HP to clusec
HP to calorie/hour [I.T.]
HP to gigawatt
HP to kilowatt
HP to gram-force centimeter/minute
HP to horsepower [metric]
HP to dyne centimeter/hour