Horsepower to Kilowatts converter
hp to kW — 1 hp = 745.7 W
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Convert Horsepower to all units
W Watts—
kW Kilowatts—
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BTU/h Btu Per Hour—
ft·lb/s Foot Pounds Per Second—
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Conversion Formula
Horsepower to Kilowatts: 1 hp = 745.7 W
Example: To convert 3 hp to watts: 3 × 745.7 = 2,237.1 W
Quick Reference: Horsepower to Kilowatts
| Horsepower | Kilowatts |
|---|---|
| 1 hp | 0.7457 kW |
| 5 hp | 3.7285 kW |
| 10 hp | 7.457 kW |
| 25 hp | 18.6425 kW |
| 50 hp | 37.285 kW |
| 100 hp | 74.57 kW |
| 500 hp | 372.85 kW |
| 1,000 hp | 745.7 kW |
Frequently Asked Questions
How do I convert Horsepower to Kilowatts?
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 kW?
1 hp equals 0.7457 kW. 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.