Horsepower to Watts converter
hp to W — 1 hp = 745.7 W
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Conversion Formula
Horsepower to Watts: 1 hp = 745.7 W
Example: To convert 3 hp to watts: 3 × 745.7 = 2,237.1 W
Quick Reference: Horsepower to Watts
| Horsepower | Watts |
|---|---|
| 1 hp | 745.7 W |
| 5 hp | 3,728.5 W |
| 10 hp | 7,457 W |
| 25 hp | 18,642.5 W |
| 50 hp | 37,285 W |
| 100 hp | 74,570 W |
| 500 hp | 372,850 W |
| 1,000 hp | 745,700 W |
Frequently Asked Questions
How do I convert Horsepower to Watts?
Multiply your horsepower value by the conversion factor. To convert 3 hp to watts: 3 × 745.7 = 2,237.1 W. You can also use the converter above for instant results.
What is hp in W?
1 hp equals 745.7 W. This is based on the standard conversion factor: 1 hp = 745.7 W.
Is this converter accurate?
Yes. ConvertFast uses precise conversion factors computed client-side in your browser. Results are accurate to 6 significant digits, which covers all practical use cases.