Convert hp to kW
1 horsepower equals 0.7457 kilowatts. To convert horsepower to kilowatts, multiply the number of horsepower by 0.7457: for example, 10 hp is 7.457 kW. Ethical Tube's free hp to kW converter does the math as you type, and the chart below lists common values.
1 hp = 0.7457 kW
- 1 hp
- 0.7457 kW
- 1 kW
- 1.34102 hp
- Formula
- kW = hp × 0.7457
- Measures
- Power
- Price
- Free
- Works offline
- Yes
Conversion chart
hp to kW chart
| Horsepower (hp) | Kilowatts (kW) |
|---|---|
| 1 hp | 0.7457 kW |
| 2 hp | 1.4914 kW |
| 3 hp | 2.2371 kW |
| 4 hp | 2.9828 kW |
| 5 hp | 3.7285 kW |
| 6 hp | 4.4742 kW |
| 8 hp | 5.9656 kW |
| 10 hp | 7.457 kW |
| 12 hp | 8.9484 kW |
| 15 hp | 11.1855 kW |
| 20 hp | 14.914 kW |
| 25 hp | 18.6425 kW |
| 50 hp | 37.285 kW |
| 100 hp | 74.57 kW |
How it works
How to convert hp to kW
Know the formula
kW = hp × 0.7457. In words: multiply the number of horsepower by 0.7457.
Work an example
10 hp → 7.457 kW. Round to two or three decimal places for everyday use.
Or type it in
Enter any value in the converter above and the answer appears instantly, in both directions.
Good to know
About power units
- This converter uses mechanical horsepower (745.7 watts), common for engines in the US and UK. Metric horsepower (PS) is slightly smaller, 735.5 watts.
- Air conditioner ratings in BTU are BTU per hour. A 12,000 BTU unit (one ton of cooling) uses about 3.5 kW of cooling power.
FAQ
Questions, answered
How many kilowatts are in a horsepower?
There are 0.7457 kilowatts in 1 horsepower. To convert horsepower to kilowatts, multiply the number of horsepower by 0.7457.
What is 10 hp in kW?
10 horsepower is 7.457 kilowatts.
How do you convert kW back to hp?
Multiply the number of kilowatts by 1.34102. 1 kilowatt is 1.34102 horsepower.
Is this hp to kW converter free?
Yes. It's free and works in any browser, even offline once the page has loaded. The answer updates as you type, and nothing you enter is sent anywhere.
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