Convert horsepower to kW
Convert horsepower to kilowatts by entering a value below.
How to Convert Horsepower to Kilowatts
The horsepower (mechanical) and kilowatt are both units of power. 1 kilowatt equals 1.3410220888 horsepower. This means to convert horsepower to kilowatts, you divide by 1.3410220888.
Formula
Step-by-Step Example
Convert 5 hp to kilowatts:
We need to convert horsepower to kilowatts
Since 1 kW = 1.3410220888 hp, divide by 1.3410220888
5 ÷ 1.3410220888 = 3.72849936
5 hp = 3.72849936 kW
Horsepower (Mechanical) to Kilowatt Conversion Table
Quick reference table for common horsepower (mechanical) to kilowatt conversions. Click any value for detailed calculation.
| Horsepower (hp) | Kilowatts (kW) |
|---|---|
| 1 hp | 0.745699872 kW |
| 2 hp | 1.491399744 kW |
| 5 hp | 3.72849936 kW |
| 10 hp | 7.45699872 kW |
| 15 hp | 11.18549808 kW |
| 20 hp | 14.91399744 kW |
| 25 hp | 18.6424968 kW |
| 50 hp | 37.2849936 kW |
| 100 hp | 74.5699872 kW |
About These Units
Horsepower (Mechanical) (hp)
Mechanical horsepower (hp) equals 745.7 watts or 550 foot-pounds per second. Horsepower rates car engines (average car: 150-300 hp), boat motors, and industrial equipment. Defined by James Watt based on horse-powered mill work. One hp can lift 550 pounds one foot in one second.
Kilowatt (kW)
A kilowatt (kW) equals 1,000 watts. Kilowatts rate appliance power (space heater: 1.5 kW, hair dryer: 1.8 kW), electric vehicle motors (50-300 kW), and home electrical capacity. Average US home has 200-amp service providing about 48 kW maximum.
Frequently Asked Questions
How do I convert horsepower to kilowatts?
To convert horsepower to kilowatts, divide the value by 1.3410220888. For example, 10 hp = 7.45699872 kW.
How many kilowatts are in 1 horsepower (mechanical)?
1 horsepower (mechanical) equals 0.745699872 kilowatts.
What is the formula for horsepower to kilowatts?
The formula is: kW = hp ÷ 1.3410220888.