Horsepower to Kilowatts Converter
Type a number to convert horsepower to kilowatts. The result updates as you type, and you can swap the units to convert back.
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The formula
kilowatts = horsepower x 0.7457
How to convert horsepower to kilowatts
To convert horsepower to kilowatts, multiply by 0.7457. One horsepower equals 0.7457 kilowatts, and one kilowatt equals 1.341 horsepower.
A worked example
12 horsepower is 8.9484 kilowatts.
Quick conversion table
| Horsepower | Kilowatts |
|---|---|
| 1 hp | 0.7457 kW |
| 5 hp | 3.7285 kW |
| 10 hp | 7.457 kW |
| 20 hp | 14.914 kW |
| 50 hp | 37.285 kW |
| 75 hp | 55.927 kW |
| 100 hp | 74.57 kW |
| 150 hp | 111.85 kW |
| 200 hp | 149.14 kW |
| 300 hp | 223.71 kW |
| 400 hp | 298.28 kW |
| 500 hp | 372.85 kW |
And the other way: kilowatts to horsepower
| Kilowatts | Horsepower |
|---|---|
| 1 kW | 1.341 hp |
| 2 kW | 2.682 hp |
| 5 kW | 6.7051 hp |
| 10 kW | 13.41 hp |
| 20 kW | 26.82 hp |
| 25 kW | 33.526 hp |
| 50 kW | 67.051 hp |
| 100 kW | 134.1 hp |
When you will need it
Car engines, motors and generators use horsepower in some countries and kilowatts in others.
One mechanical horsepower is about 0.7457 kW, so 100 hp is roughly 74.6 kW.
Horsepower to Kilowatts Converter: frequently asked questions
How many kilowatts are in one horsepower?
One horsepower is 0.7457 kilowatts.
How many horsepower are in one kilowatt?
One kilowatt is 1.341 horsepower.
Is this horsepower to kilowatts conversion exact?
The factor is exact where the units are defined that way, and we show the result rounded for readability.
How exact is the conversion?
It uses the internationally agreed definitions, and rounds only the number you see.
Is what I enter in this converter saved or sent anywhere?
No. The calculation runs in your browser, so what you enter is not sent to our servers. We only count, anonymously, whether a tool ran successfully.
Is this converter free to use?
Yes. It is free, needs no sign-up and has no usage limit.
Last reviewed: October 3, 2026