Conversions

Horsepower to kW

Convert mechanical horsepower to kilowatts. Common for comparing engine power across regions.

Enter value

Result

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1 mechanical horsepower = 0.745699 kilowatts

Need the reverse? Try kilowatts → horsepower (mechanical) instead →

horsepower (mechanical) to kilowatts — reference table

horsepower (mechanical) (hp)	kilowatts (kW)
50hp	37.28kW
75hp	55.93kW
100hp	74.57kW
125hp	93.21kW
150hp	111.85kW
200hp	149.14kW
250hp	186.42kW
300hp	223.71kW
500hp	372.85kW

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How to use Horsepower to kW

01 Enter the value you want to convert in the input field
02 The converted result appears instantly
03 Scroll down for a quick-reference table of common values

Frequently asked questions

Common questions about Horsepower to kW.

Is Horsepower to kW free to use?

Yes, Horsepower to kW is completely free. No account, subscription, or payment is ever required — just open the page and start using it.

Does Horsepower to kW upload my data to a server?

No. Horsepower to kW runs entirely in your web browser using client-side JavaScript. Your files, text, and data never leave your device, making it 100% private.

Can I use Horsepower to kW on my phone or tablet?

Yes. Horsepower to kW is fully responsive and works on all modern smartphones, tablets, and desktop browsers without installing any app.

How accurate are the conversions?

Horsepower to kW uses standard mathematical conversion formulas and displays results to up to 8 decimal places of precision.

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About Horsepower to kW

Horsepower (hp) and kilowatts (kW) are both measures of mechanical power output used in automotive and engineering specifications. The United States uses horsepower as the standard for engine ratings; Europe and most other markets use kilowatts. One mechanical horsepower equals 0.745699 kilowatts. Horsepower to Kilowatts conversion is essential when comparing vehicle performance data across US and European car reviews, reading EV motor specifications (which are always listed in kW), understanding industrial machinery ratings, and converting power tool specifications between markets.