Watts to Horsepower converter
W to hp — 1 hp = 745.7 W
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Convert Watts to all units
kW Kilowatts—
MW Megawatts—
hp Horsepower—
BTU/h Btu Per Hour—
ft·lb/s Foot Pounds Per Second—
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Conversion Formula
Watts to Horsepower: 1 hp = 745.7 W
Example: To convert 3 hp to watts: 3 × 745.7 = 2,237.1 W
Quick Reference: Watts to Horsepower
| Watts | Horsepower |
|---|---|
| 1 W | 0.001341 hp |
| 5 W | 0.006705 hp |
| 10 W | 0.01341 hp |
| 25 W | 0.033526 hp |
| 50 W | 0.067051 hp |
| 100 W | 0.134102 hp |
| 500 W | 0.670511 hp |
| 1,000 W | 1.341 hp |
Frequently Asked Questions
How do I convert Watts to Horsepower?
Multiply your watts 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 W in hp?
1 W equals 0.001341 hp. 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.