How Many Kilowatts in a Horsepower?
Quick Answer
There are approximately 0.7457 kilowatts in a mechanical horsepower.
1 hp ≈ 0.7457 kW
Understanding the Conversion
One mechanical horsepower equals approximately 0.7457 kilowatts (745.7 watts). This conversion is especially relevant for electric vehicles and motors, where power is often stated in both kW and hp. European car specifications typically use kW, while US specs use hp.
Formula
1 hp ≈ 0.7457 kW
Common Examples
| Description | Value |
|---|---|
| A 200 hp engine | About 149.1 kW |
| A 100 kW electric motor | About 134 hp |
| A Tesla Model 3 (283 hp) | About 211 kW |
Quick Reference Table
Use this table for quick conversions between horsepower and kilowatts:
| horsepower | kilowatts |
|---|---|
| 1 | 0.746 |
| 2 | 1.491 |
| 5 | 3.729 |
| 10 | 7.457 |
| 25 | 18.643 |
| 50 | 37.285 |
| 100 | 74.570 |
Frequently Asked Questions
How Many Kilowatts in a Horsepower?
There are approximately 0.7457 kilowatts in a mechanical horsepower. One mechanical horsepower equals approximately 0.7457 kilowatts (745.7 watts). This conversion is especially relevant for electric vehicles and motors, where power is often stated in both kW and hp. European car specifications typically use kW, while US specs use hp.
What is the formula to convert horsepower to kilowatts?
The formula is: 1 hp ≈ 0.7457 kW. To convert, multiply the number of horsepowers by 0.746 to get the equivalent in kilowatts.
How do I convert kilowatts to horsepower?
To convert kilowatts to horsepower, divide the number of kilowatts by 0.746. For example, 3.729 kilowatts equals 5 horsepowers.