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Common Converters

Power Converter

Result

... Horsepower (mechanical) = ... Watt

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Horsepower (mechanical) to Watt Converter

Use this page to convert horsepower (mechanical) values into watt, with background details, formulas, a worked example, and a quick conversion table.

Conversion formula

1 hp = 745.69987158227 W

1 W = 0.00134102208959503 hp

Example: 15 hp = 11,185.4980737341 W

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Horsepower (mechanical)

Mechanical horsepower equals 745.69987158227 watts.

History: Horsepower was popularized to compare steam engines with horses.

Current use: Horsepower is used in automotive and machinery ratings.

Also written as hp, horsepower, horsepowers.

Watt

A watt equals one joule per second.

History: It is named after James Watt and standardized in SI.

Current use: Watts are used in electronics, lighting, and engineering.

Also written as W, watts.

Horsepower (mechanical) to Watt table

Horsepower (mechanical) [hp]Watt [W]
0.01 hp7.4569987158227 W
0.1 hp74.569987158227 W
1 hp745.69987158227 W
2 hp1,491.39974316454 W
5 hp3,728.49935791135 W
10 hp7,456.9987158227 W
20 hp14,913.9974316454 W
50 hp37,284.9935791135 W
100 hp74,569.987158227 W

Frequently asked questions

  • How many Watt (W) are in one Horsepower (mechanical) (hp)?

    One Horsepower (mechanical) equals 745.69987158227 Watt.

  • How do you convert Horsepower (mechanical) to Watt?

    Multiply the Horsepower (mechanical) value by 745.69987158227 to get the result in Watt.

  • How do you convert Watt back to Horsepower (mechanical)?

    Multiply the Watt value by 0.00134102208959503 to get back to Horsepower (mechanical).

  • What is 15 Horsepower (mechanical) in Watt?

    15 Horsepower (mechanical) equals 11,185.4980737341 Watt.