horsepower to watts

Free online horsepower to watts converter, type a value and get the result instantly. No signup, works offline in your browser.

Same unit, other spellings, horsepower: mechanical horsepower, imperial horsepower, hp(I).

—

All calculations run locally in your browser, nothing is uploaded.

Conversion formula

1 hp = 745.699872 W

How to convert horsepower to watts step by step

  1. Write down the value you want to convert in horsepower.
  2. Multiply it by the conversion factor: 745.699872 (because 1 hp = 745.699872 W).
  3. The result is your value in watts. Example: 10 hp × 745.699872 = 7456.998716 W.

Tip: to go the other way, divide by the factor, or use the watts to horsepower converter.

horsepower to watts conversion table

horsepower (hp)watts (W)
0.1 hp74.569987 W
0.25 hp186.424968 W
0.5 hp372.849936 W
1 hp745.699872 W
2 hp1491.399743 W
3 hp2237.099615 W
4 hp2982.799486 W
5 hp3728.499358 W
6 hp4474.199229 W
8 hp5965.598973 W
10 hp7456.998716 W
15 hp11185.498074 W
20 hp14913.997432 W
25 hp18642.49679 W
30 hp22370.996147 W
40 hp29827.994863 W
50 hp37284.993579 W
60 hp44741.992295 W
75 hp55927.490369 W
100 hp74569.987158 W
120 hp89483.98459 W
122 hp90975.384333 W
146 hp108872.181251 W
150 hp111854.980737 W
190 hp141682.975601 W
200 hp149139.974316 W
250 hp186424.967896 W
300 hp223709.961475 W
400 hp298279.948633 W
500 hp372849.935791 W
600 hp447419.922949 W
750 hp559274.903687 W
800 hp596559.897266 W
1000 hp745699.871582 W
1500 hp1.1185e+06 W
1810 hp1.3497e+06 W
1930 hp1.4392e+06 W
2000 hp1.4914e+06 W
2500 hp1.8642e+06 W
3000 hp2.2371e+06 W
4000 hp2.9828e+06 W
5000 hp3.7285e+06 W
7500 hp5.5927e+06 W
10000 hp7.4570e+06 W
10500 hp7.8298e+06 W

About the horsepower unit

This converter uses mechanical (imperial) horsepower: 1 hp = 745.6998715822702 W = 550 ft·lbf/s. Metric horsepower (PS/CV) is slightly smaller at 735.49875 W, so 1 hp(I) ≈ 1.0139 PS. Electric motors rated in hp use the mechanical definition.

Related converters

Watts to kilowattsWatts to megawattsWatts to BTU per hourWatts to refrigeration tonsKilowatts to wattsKilowatts to megawattsKilowatts to horsepowerKilowatts to BTU per hourKilowatts to refrigeration tonsMegawatts to wattsMegawatts to kilowattsMegawatts to horsepowerMegawatts to BTU per hourMegawatts to refrigeration tonsHorsepower to kilowattsHorsepower to megawattsHorsepower to BTU per hourHorsepower to refrigeration tonsBtu per hour to wattsBtu per hour to kilowattsBtu per hour to megawattsBtu per hour to horsepowerBtu per hour to refrigeration tonsRefrigeration tons to watts

FAQ

How do I convert horsepower to watts?

Type a value in horsepower in the converter above, the equivalent in watts is calculated instantly. 1 hp equals 745.699872 W.

What is the formula to convert horsepower to watts?

Multiply the value in horsepower by 745.699872 to get the value in watts.

How many watts are in 1 horsepower?

There are 745.699872 watts in 1 hp.

How do I convert watts back to horsepower?

Divide the value in watts by 745.699872, or use the swap button (⇄) in the converter above.

What does hp stand for?

hp is the standard abbreviation for horsepower. E.g. 1 hp = 745.699872 W.

What does W stand for?

W is the standard abbreviation for watts.