Kilowatt to Horsepower (mechanical) Converter
1 kilowatt is about 1.34102209 horsepower. Convert kilowatts (kW) to horsepower (hp) below: type a value and the result updates as you type.
kW to hp calculator
Result
Kilowatt to Horsepower (mechanical) conversion
1 kW ≈ 1.34102209 hpone kilowatt in horsepower
1 hp = 0.74569987158227022 kWone horsepower in kilowatts
Kilowatt (kW): Exactly 1000 watts.
Horsepower (mechanical) (hp): Exactly 550 foot-pounds-force per second (about 745.69987 watts).
Source:Kilowatt: SI Brochure, 9th edition (BIPM, 2019); Horsepower (mechanical): NIST Special Publication 811 (2008), Appendix B.8
How to convert kilowatts to horsepower
To convert kilowatts to horsepower, multiply the number of kilowatts by about 1.34102209.
Formula
hp = kW × 1.34102209
The factor is rounded here. The calculator uses the exact value.
Examples
- 5 kW = 5 × 1.34102209 ≈ 6.705110448 hp
- 25 kW = 25 × 1.34102209 ≈ 33.52555224 hp
- 100 kW = 100 × 1.34102209 ≈ 134.102209 hp
Kilowatt to Horsepower (mechanical) conversion table
| Kilowatt (kW) | Horsepower (mechanical) (hp) |
|---|---|
| 0.1 kW | 0.134102209 hp |
| 0.5 kW | 0.6705110448 hp |
| 1 kW | 1.34102209 hp |
| 2 kW | 2.682044179 hp |
| 3 kW | 4.023066269 hp |
| 5 kW | 6.705110448 hp |
| 10 kW | 13.4102209 hp |
| 20 kW | 26.82044179 hp |
| 25 kW | 33.52555224 hp |
| 50 kW | 67.05110448 hp |
| 100 kW | 134.102209 hp |
| 250 kW | 335.2555224 hp |
| 500 kW | 670.5110448 hp |
| 1000 kW | 1341.02209 hp |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many horsepower are in one kilowatt?
- One kilowatt is about 1.34102209 horsepower.
- How do I convert horsepower to kilowatts?
- To convert horsepower to kilowatts, multiply the number of horsepower by 0.74569987158227022. The formula is kW = hp × 0.74569987158227022.
- Is this conversion exact?
- Yes. Both units have exact definitions, but the factor has more decimal places than can be shown, so displayed results are rounded. The calculator works with 50 significant digits before rounding.
- Which is larger, a kilowatt or a horsepower?
- A kilowatt is about 1.34102209 times larger than a horsepower. In other words, a horsepower is 0.74569987158227022 of a kilowatt.