Horsepower to Kilowatts Converter
Type a value in horsepower to see it in kilowatts. It works both ways: type in the kilowatts box to convert back.
Formula
To convert horsepower to kilowatts, divide by 1.34102209 (the same as multiplying by 0.7456998716).
1 hp = 0.745699871582 kW and 1 kW = 1.3410220896 hp.
Horsepower to kilowatts table
| Horsepower | Kilowatts |
|---|---|
| 1 hp | 0.7456999 kW |
| 5 hp | 3.728499 kW |
| 10 hp | 7.456999 kW |
| 50 hp | 37.28499 kW |
| 100 hp | 74.56999 kW |
| 150 hp | 111.855 kW |
| 200 hp | 149.14 kW |
| 300 hp | 223.71 kW |
| 500 hp | 372.8499 kW |
Worked examples
5 hp in kilowatts
5 hp
3.728499 kW
5 × 0.7456998716 = 3.728499358
100 hp in kilowatts
100 hp
74.56999 kW
100 × 0.7456998716 = 74.56998716
300 hp in kilowatts
300 hp
223.71 kW
300 × 0.7456998716 = 223.7099615
About Horsepower to Kilowatts Converter
This converter turns horsepower into kilowatts as you type, and works the other way too: type in the kilowatts box to convert back. To convert horsepower to kilowatts, divide by 1.34102209 (the same as multiplying by 0.7456998716). For example, 5 hp is 3.728499 kW, and 100 hp is 74.56999 kW.
Power is a rate of using energy. Car engines are quoted in horsepower or kilowatts, and appliances in watts, so converting between them helps compare specifications. Both units have exact definitions, so the converter gives an exact result, rounded only for display. Use the table below for common values, or set the decimal places to round the answer for a form or a label.
How to use Horsepower to Kilowatts Converter
- Type the amount in horsepower in the first box.
- Read the answer in kilowatts in the second box and in the result line below.
- To convert the other way, type in the kilowatts box instead, or use the swap button to open the kilowatts to horsepower page.
- Choose a number of decimal places if you need a rounded figure, then copy the result line.
Common uses
- Sizing a generator or an inverter
- Comparing electric motors and tools
- Engineering homework
- Comparing car or motorbike engine figures
Frequently asked questions
How many kilowatts are in one horsepower?
There are 0.7456998716 kilowatts in one horsepower. This figure is exact, because both units have fixed definitions.
How do I convert horsepower to kilowatts?
To convert horsepower to kilowatts, divide by 1.34102209 (the same as multiplying by 0.7456998716). For example, 300 hp is 223.71 kW.
How do I convert kilowatts to horsepower?
Going the other way, multiply by 1.34102209. The kilowatts to horsepower converter does this for you.
What is 150 hp in kilowatts?
150 hp is 111.855 kW.
Is horsepower the same in every country?
Not quite. Mechanical horsepower used in the UK and the US is about 745.7 watts, while metric horsepower (PS or CV) used by many European makers is about 735.5 watts, around 1.4% smaller.