Horsepower to Kilowatts Converter
Convert horsepower (hp) to kilowatts (kW) instantly. Type a value above and the result updates while you type. 1 horsepower equals 0.7457 kilowatts.
Result updates as you type. Values are calculated locally in your browser — nothing is sent to a server.
The formula
1 horsepower = 0.7457 kilowatts
Multiply the horsepower value by 0.7457 to get kilowatts. Or divide by 1.34102 to go the other way.
Horsepower to kilowatts conversion table
| hp | kW |
|---|---|
| 1 | 0.7457 |
| 2 | 1.4914 |
| 3 | 2.2371 |
| 4 | 2.9828 |
| 5 | 3.7285 |
| 6 | 4.4742 |
| 7 | 5.2199 |
| 8 | 5.9656 |
| 9 | 6.7113 |
| 10 | 7.457 |
| 15 | 11.1855 |
| 20 | 14.914 |
| 25 | 18.6425 |
| 50 | 37.285 |
| 75 | 55.9275 |
| 100 | 74.57 |
Worked examples
- 5 hp × 0.7457 = 3.7285 kW
- 30 hp × 0.7457 = 22.371 kW
- 165 hp × 0.7457 = 123.04 kW
Conversion factors follow the exact international definitions (SI/BIPM; imperial units per the 1959 International Yard and Pound Agreement, maintained by NIST). NIST unit conversion reference
Factors last verified August 2026 · Built by Jeffrey Tepper.
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Frequently asked questions
How many kilowatts are in 1 horsepower?
1 horsepower equals 0.7457 kilowatts (hp → kW).
How do you convert horsepower to kilowatts?
Multiply the number of horsepower by 0.7457. For example: 10 hp × 0.7457 = 7.457 kW.
What is 50 hp in kW?
50 hp equals 37.285 kW.
Which is bigger: 1 horsepower or 1 kilowatt?
1 kilowatt is bigger: 1 horsepower is only 0.7457 kilowatts.