Convert HP to KW
Convert HP to KW instantly with the exact formula (1 hp = 0.7457 kW), a quick table and the reverse conversion.
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How to use HP to KW Converter
- 1
Open HP to KW Converter on this page. It loads right in your browser.
- 2
Add your file, text or values and adjust the settings.
- 3
Copy the result or download it. Nothing is uploaded or stored.
About this tool
This converter turns HP into KW as you type. One horsepower equals 0.7457 kW, so the result is exact, not rounded guesswork. It is handy for car and motorbike engines, generators, motors and pumps.
How to convert HP to KW
Multiply the value in HP by 0.7457. To convert HP to KW, use the formula below.
kW = hp × 0.7457
Worked example
75 hp × 0.7457 = 55.9275 kW
Quick mental estimate
For a rough figure in your head, multiply by about 0.75: 75 hp ≈ 56.25 kW. Use the converter when you need the exact value.
HP to KW table
| HP (hp) | KW (kW) |
|---|---|
| 1 | 0.7457 |
| 5 | 3.7285 |
| 10 | 7.457 |
| 50 | 37.285 |
| 75 | 55.9275 |
| 100 | 74.57 |
| 150 | 111.855 |
| 200 | 149.14 |
| 300 | 223.71 |
Quick reference
- 5 hp = 3.7285 kW
- 50 hp = 37.285 kW
- 100 hp = 74.57 kW
- 200 hp = 149.14 kW
Where HP and KW are used
Engine power is quoted in kilowatts in official specs across Europe and much of the world, while horsepower remains the popular unit in car adverts and the US. This converter uses mechanical horsepower (745.7 W).
Tips
- Use the swap button to convert KW back to HP.
- Choose 0 to 6 decimals; the full-precision value is used internally.
- The side panel also shows the value in every other unit of the same type.
Why use this converter
It is free, needs no sign-up and runs entirely in your browser, so it keeps working even offline once the page is loaded. Need the opposite? Use the KW to HP converter or the full unit converter.
Features
- Instant HP to KW conversion as you type
- Exact factor: 1 hp = 0.7457 kW
- Quick conversion table of common values
- Swap button for KW to HP
- Choose 0 to 6 decimal places
- Works offline in your browser
Frequently asked questions
How many KW are in one horsepower?
One horsepower equals 0.7457 kW.
How do I convert HP to KW?
Multiply the number of HP by 0.7457. For example, 75 hp = 55.9275 kW.
What is 200 hp in KW?
200 hp equals 149.14 kW.
Is the conversion exact?
Yes. The tool uses the internationally defined conversion factor and only rounds the displayed result to the decimals you choose.