OneEquals

HP to Watts Converter (Horsepower to Watts)

1 horsepower = 745.6998716 watts. To convert hp to W, multiply by 745.6998716.

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1 hp = 745.7 W

1 hp
745.6999 W
1 W
0.001341 hp
10 hp
7,456.9987 W
100 hp
74,569.9872 W

How to convert HP to Watts

1 horsepower equals 745.6998716 watts, so the conversion is a single multiplication.

W = hp × 745.6998716

Example: 2 hp × 745.6998716 = 1,491.4 W.

About the horsepower

Horsepower (hp)

Mechanical horsepower is about 745.7 watts. James Watt introduced the unit to compare steam engines with horses.

1 horsepower in every power unit

Kilowatts0.7457 kWWatts745.7 W
Metric Horsepower1.014 PS
Btu per Hour2,544.434 Btu/h
Megawatts0.0007457 MW
Gigawatts7.457e-7 GW
Milliwatts745,699.872 mW
Tons of Refrigeration0.212 TR
Kilocalories per Hour641.186 kcal/h
Foot-Pounds per Second550 ft·lbf/s
Watts to HPReverse conversionHP to kW1 hp = 0.7457 kWkW to HP1 kW = 1.341 hpBTU/h to Watts1 Btu/h = 0.2931 WWatts to BTU/h1 W = 3.4121 Btu/h

HP to Watts FAQ

How many watts are in a horsepower?

1 horsepower = 745.6998716 watts.

How many horsepower are in a watt?

1 watt = 0.00134102209 horsepower.

How do I convert hp to W?

Use W = hp × 745.6998716. For example, 10 hp = 7,456.999 W.

Can I print this HP to Watts chart?

Yes. Use "Print / Save PDF" next to the converter for a one-page chart, or "Download CSV" to open it in Excel or Google Sheets.