⚡Horsepower to Watts Converter

Convert horsepower to watts and watts to horsepower.

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Horsepower (hp)

Watts (W)

1 horsepower = 745.7 watts

About Horsepower to Watts Converter

Convert between horsepower and watts, two of the most widely used power units. One mechanical horsepower equals exactly 745.7 watts. Used in automotive engineering, electric motor specifications, and any application comparing engine power output across different measurement traditions.

How to Use Horsepower to Watts Converter

1
Enter your value
Type a power value in either the horsepower or watts field.
2
See the result
The conversion appears instantly in the other field.
3
Copy the result
Click copy to use the converted power value.

Common Use Cases

Comparing car engine power specifications
Electric motor sizing and selection
Generator capacity planning
Converting pump and engine power ratings

Frequently Asked Questions

How many watts is one horsepower?

One mechanical horsepower equals exactly 745.7 watts.

How many horsepower is 1000 watts (1 kW)?

1,000 watts equals approximately 1.341 horsepower.

Are all horsepower the same?

No. Mechanical (imperial) hp = 745.7 W, metric hp = 735.5 W, and electric hp = 746 W. This converter uses mechanical hp.

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