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Horsepower (mechanical) to Watt

1 hp = 745.69987 W

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Precision & format
10

1 hp equals

745.6998716W

All 14 units
  • WattW
    745.6998716
  • KilowattkW
    0.7456998716
  • MegawattMW
    0.0007456998716
  • GigawattGW
    7.456998716 × 10⁻⁷
  • MilliwattmW
    745,699.8716
  • Horsepower (mechanical)hp
    550 ft·lbf/s
    1
  • Horsepower (metric)PS
    75 kgf·m/s
    1.013869665
  • Horsepower (electric)hp (E)
    0.9995976831
  • Horsepower (boiler)hp (S)
    0.07601813258
  • BTU per hourBTU/h
    2,544.433578
  • Ton of refrigerationRT
    12 000 BTU/h
    0.2120361315
  • Foot-pound per secondft·lbf/s
    550
  • Calorie per secondcal/s
    178.2265467
  • Kilocalorie per hourkcal/h
    641.6155683

Horsepower (mechanical) to Watt table

Common Horsepower (mechanical) values converted to Watt
Horsepower (mechanical) (hp)Watt (W)
1745.69987
21,491.3997
53,728.4994
107,456.9987
2014,913.997
5037,284.994
10074,569.987
250186,424.97
500372,849.94
1,000745,699.87

How the conversion works

Multiply the horsepower (mechanical) figure by 745.6998716 to get watt. Every factor on this site is anchored to the SI base unit for power, so the same number is used everywhere it appears.

Going the other way, 1 W = 0.0013410221 hp — see watt to horsepower (mechanical).

See all 14 power units →

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