Convert horsepower to kilowatts instantly. Type a value below to see the result, or press Swap direction to convert kilowatts back to horsepower. The tool uses the exact conversion factor, and a quick-reference table is below.
Kilowatts
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Conversion formula
Kilowatts = horsepower × 0.7457
Mechanical horsepower is 745.7 W. Metric horsepower (PS) is 735.5 W, so check which one is quoted.
Quick reference table
| Horsepower (hp) | Kilowatts (kW) |
|---|---|
| 1 hp | 0.7457 kW |
| 5 hp | 3.7285 kW |
| 10 hp | 7.457 kW |
| 20 hp | 14.914 kW |
| 50 hp | 37.285 kW |
| 100 hp | 74.57 kW |
| 150 hp | 111.855 kW |
| 200 hp | 149.14 kW |
| 300 hp | 223.71 kW |
| 500 hp | 372.85 kW |
Frequently asked questions
How do I convert horsepower to kilowatts?
Kilowatts = horsepower × 0.7457
How do I convert kilowatts back to horsepower?
Use the reverse formula, or press Swap direction in the converter above. You can also use our reverse converter.
How many kW is 200 hp?
200 hp is about 149.1 kW (mechanical).
More free tools: Reverse converter · Unit converter · All free tools
Conversions use standard factors. Check critical measurements.