Kilowatts to Mechanical Horsepower Converter
1 kilowatt ≈ 1.34102209 mechanical horsepower
Metric horsepower (PS) is a different unit, about 1.4% smaller.
1 kilowatt equals 1.34102 mechanical horsepower
How to convert kilowatts to mechanical horsepower
Power is energy transferred per time: 1 W = 1 J/s. Mechanical, metric and electrical horsepower have different definitions; select the version stated on the equipment rating.
hp = kW × 1.34102209One kilowatt is 1.34102209 mechanical horsepower, so a single multiplication converts any value.
13.4102 hp ≈ 10 × 1.34102209Metric horsepower (PS) is a different unit, about 1.4% smaller.
Kilowatts to mechanical horsepower conversion table
Common values in kilowatts, converted to mechanical horsepower.
| Kilowatts (kW) | Mechanical horsepower (hp) |
|---|---|
| 1 | 1.3410221 |
| 2 | 2.6820442 |
| 3 | 4.0230663 |
| 4 | 5.3640884 |
| 5 | 6.7051104 |
| 10 | 13.410221 |
| 20 | 26.820442 |
| 25 | 33.525552 |
| 50 | 67.051104 |
| 100 | 134.10221 |
| 250 | 335.25552 |
| 500 | 670.51104 |
| 1,000 | 1,341.0221 |
About these units
kilowattkW
One thousand watts. The usual rating unit for motors and appliances.
mechanical horsepowerhp
Exactly 550 foot-pounds per second: about 745.7 watts. The US and UK engine unit.
Sources and precision
Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.