Mechanical Horsepower to Kilowatts Converter
1 mechanical horsepower ≈ 0.745699872 kilowatts
Metric horsepower (PS) is a different unit, about 1.4% smaller.
1 mechanical horsepower equals 0.7457 kilowatts
How to convert mechanical horsepower to kilowatts
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.
kW = hp × 0.7456998716One mechanical horsepower is 0.7456998716 kilowatts, so a single multiplication converts any value.
7.457 kW ≈ 10 × 0.7456998716Metric horsepower (PS) is a different unit, about 1.4% smaller.
Mechanical horsepower to kilowatts conversion table
Common values in mechanical horsepower, converted to kilowatts.
| Mechanical horsepower (hp) | Kilowatts (kW) |
|---|---|
| 1 | 0.74569987 |
| 2 | 1.4913997 |
| 3 | 2.2370996 |
| 4 | 2.9827995 |
| 5 | 3.7284994 |
| 10 | 7.4569987 |
| 20 | 14.913997 |
| 25 | 18.642497 |
| 50 | 37.284994 |
| 100 | 74.569987 |
| 250 | 186.42497 |
| 500 | 372.84994 |
| 1,000 | 745.69987 |
About these units
mechanical horsepowerhp
Exactly 550 foot-pounds per second: about 745.7 watts. The US and UK engine unit.
kilowattkW
One thousand watts. The usual rating unit for motors and appliances.
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.