Watt to Horsepower
Convert Watt to Horsepower instantly. Free online engineering unit converter with exact formula, conversion table and FAQ.
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Formula
hp = W × 0.00134102
W = hp × 745.7
Conversion table
| 1 W | 0.00134102 hp |
| 5 W | 0.00670511 hp |
| 10 W | 0.0134102 hp |
| 20 W | 0.0268204 hp |
| 50 W | 0.0670511 hp |
| 100 W | 0.134102 hp |
| 500 W | 0.670511 hp |
| 1000 W | 1.34102 hp |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the Watt (W). The watt is one joule per second.
What is the destination unit in this conversion?
The destination unit is the Horsepower (hp). Mechanical horsepower.
How do I convert Watt to Horsepower?
Multiply the Watt value by 0.00134102. For example, 10 W × 0.00134102 = 0.0134102 hp.
Is the Watt to Horsepower conversion exact?
Yes. Both units belong to the same engineering measurement family (power), so the ratio between them is a fixed, defined value rather than a measured approximation.
Where is this conversion commonly used?
It's used whenever a value expressed in Watt needs to be compared with, or reported in, Horsepower, such as in engineering, scientific, or industrial calculations.
Can I convert Horsepower back to Watt?
Yes. Multiply the Horsepower value by 745.7 to get Watt.
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About this conversion
This page converts Watt (W) to Horsepower (hp) within the engineering converter.
The watt is one joule per second. Mechanical horsepower.
The formula is hp = W × 0.00134102, based on each unit's fixed relationship to the power base unit.
The conversion is exact, since it relies on a fixed numerical ratio between the two units rather than a measured or approximate value.
Use the calculator above for instant results, or the table below for common Watt values already converted to Horsepower.