Horsepower to Kilowatts
Convert horsepower to kilowatts instantly. 1 hp = 0.7456998716 kW. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert horsepower to kilowatts
To convert horsepower to kilowatts, divide by 1.3410220896 (multiply by 0.7456998716). The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.
kW = hp × 0.7456998716
Horsepower to Kilowatts conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| Horsepower | Kilowatts |
|---|---|
| 1 hp | 0.7457 kW |
| 2 hp | 1.4914 kW |
| 3 hp | 2.2371 kW |
| 5 hp | 3.728499 kW |
| 10 hp | 7.456999 kW |
| 20 hp | 14.913997 kW |
| 25 hp | 18.642497 kW |
| 50 hp | 37.284994 kW |
| 100 hp | 74.569987 kW |
| 500 hp | 372.849936 kW |
| 1,000 hp | 745.699872 kW |
What is a horsepower?
Mechanical horsepower, defined as 550 foot-pounds per second.
What is a kilowatt?
A thousand watts. Vehicle and appliance power is rated in kilowatts.
The formula
kW = hp × 0.7456998716
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the Horsepower to Kilowatts
- Type the number of horsepower you want to convert.
- Read the result in kilowatts straight away — there is no button to press.
- Check the table below for the values that come up most often, or reverse the conversion with the linked kilowatts to horsepower page.
Horsepower to Kilowatts — frequently asked questions
How many kilowatts are in a horsepower?
One horsepower equals 0.7456998716 kW. kW = hp × 0.7456998716
What is the formula to convert horsepower to kilowatts?
The formula is kW = hp × 0.7456998716. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert kilowatts back to horsepower?
Divide instead of multiplying: one kilowatt is 1.3410220896 hp. The reverse converter is linked in the related tools list.
Is this conversion exact?
Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.
Is this horsepower to kilowatts free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
What people search for
This page answers each of these searches. They are the exact phrases visitors use to find the horsepower to kilowatts.
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 19, 2026 · Calculation runs client-side · No data collected · Report an error