Horsepower to Kilowatts Conversion Chart
Quick Answer
1 hp = 0.7457 kW
Formula: Kilowatt = Horsepower x 0.7457
Quick values
What is horsepower and kilowatts?
Horsepower and kilowatts both measure power, the rate of doing work. Mechanical (imperial) horsepower is 745.69987 watts; a kilowatt is 1,000 watts.
FormulakW = hp × 0.74569987
Key conversions
- 1 hp = 0.74569987 kW (mechanical horsepower)
- 1 kW = 1.341022 hp
- Metric horsepower (PS) is 735.49875 W, slightly smaller than mechanical hp
- Use watts or kilowatts in SI calculations; hp remains common on nameplates
Standards, method, and review
Values are calculated from the shared conversion-factor library. Exact defined relationships are preserved; displayed results are rounded only for readability.
Reviewed by All Unit Conversions Editorial Team. Updated .
Horsepower to Kilowatts Conversion Table
| Horsepower (hp) | Kilowatt (kW) |
|---|---|
| 1 hp | 0.7457 kW |
| 2 hp | 1.4914 kW |
| 5 hp | 3.7285 kW |
| 7.5 hp | 5.59275 kW |
| 10 hp | 7.457 kW |
| 15 hp | 11.1855 kW |
| 20 hp | 14.914 kW |
| 25 hp | 18.6425 kW |
| 30 hp | 22.371 kW |
| 40 hp | 29.828 kW |
| 50 hp | 37.285 kW |
| 75 hp | 55.9275 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 | 298.28 kW |
| 500 hp | 372.85 kW |
Values are calculated from the shared conversion-factor library. Exact defined relationships are preserved; displayed results are rounded only for readability.
Related Converters & Charts
Horsepower to Kilowatts Conversion Chart FAQs
Common questions about the horsepower to kilowatts conversion chart.
How do you convert horsepower to kilowatt?
Multiply the number of horsepower by 0.7457. For example, 1 hp = 0.7457 kW. The chart above lists the most common values.
What is 1 hp in kilowatt?
1 hp equals 0.7457 kW. See the full reference table above for more values, or download the printable PDF.
Can I download this chart as a PDF, CSV, or JSON?
Yes. Use the "Download Conversion Chart (PDF)" button for a printable version, or grab the machine-readable CSV/JSON conversion-factor dataset linked on this page.