How to convert horsepower to kilowatts
Multiply the number of horsepower by 0.7457. That is all there is to it, because the factor between horsepower and kilowatts never changes.
Formula
kW = hp × 0.7457
Example: 100 horsepower × 0.7457 ≈ 74.57 kilowatts.
HP to kW chart
| Horsepower (hp) | Kilowatts (kW) |
|---|---|
| 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 |
| 150 hp | 111.855 kW |
| 200 hp | 149.14 kW |
| 250 hp | 186.425 kW |
| 300 hp | 223.71 kW |
| 400 hp | 298.2799 kW |
| 500 hp | 372.8499 kW |
| 600 hp | 447.4199 kW |
| 700 hp | 521.9899 kW |
| 1,000 hp | 745.6999 kW |
Values are rounded to six decimals below 1, four decimals up to 1,000 and two decimals above. The converter above shows more digits.
About the units
One horsepower is 745.6998716 watts.
One kilowatt is 1,000 watts.
Need the other direction? Use the kW to HP converter. For every power unit at once, open the Power Converter.
Frequently asked questions
How many kilowatts are in a horsepower?
There are 0.7457 kilowatts in one horsepower.
How do I convert horsepower to kilowatts?
Multiply the number of horsepower by 0.7457. For example: 100 horsepower × 0.7457 ≈ 74.57 kilowatts.
What is 300 horsepower in kilowatts?
300 horsepower equals 223.71 kilowatts.