Horsepower (Mechanical) to Kilowatt
1 hp = 0.7457 kW
How to convert horsepower (mechanical) to kilowatt
Enter the value in horsepower (mechanical) (hp) above and the equivalent in kilowatt (kW) updates as you type. This conversion comes up when comparing vacuum cleaners or engines (watts vs horsepower).
- A compact car: about 100 hp, or 75 kW → that is 74.57 kW in kilowatt.
- A typical home EV charger: 11 kW → that is 14.75124 hp in horsepower (mechanical).
Typical situations: sizing EV chargers and solar installations (kW); understanding heater labels and fuse loads.
You can also convert in the other direction: Kilowatt to Horsepower (Mechanical)
Horsepower (Mechanical) to Kilowatt conversion table
| Horsepower (Mechanical) (hp) | Kilowatt (kW) |
|---|---|
| 1 | 0.7457 |
| 2 | 1.4914 |
| 5 | 3.7285 |
| 10 | 7.457 |
| 25 | 18.6425 |
| 50 | 37.285 |
| 100 | 74.57 |
Watch out for
- Metric hp (PS/CV, 735.5 W) vs mechanical hp (745.7 W): brochures mix them
- kW (power) vs kWh (energy on your bill): a 22 kW charger for 1 hour uses 22 kWh
Frequently asked questions
How many kilowatts is 1 horsepower (mechanical)?
1 horsepower (mechanical) = 0.7457 kilowatts.
What is the formula to convert horsepower (mechanical) to kilowatts?
The formula is: kW = hp × 0.7457.
What is 10 horsepower (mechanical) in kilowatts?
10 horsepower (mechanical) = 7.457 kilowatts.