›› 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 pound square foot/cubic second
HP to exawatt
HP to foot poundal/second
HP to horsepower [electric]
HP to yoctowatt
HP to foot poundal/minute
HP to poncelet
HP to erg/hour
HP to cheval vapeur
HP to foot poundal/hour