Power Converter

Convert watts, kilowatts and horsepower.

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About Power Converter

Power Converter is a free online tool that lets you convert watts, kilowatts and horsepower — straight from your browser, with no software to install, no sign-up, and no watermarks. It runs on Windows, Mac, Linux, Android, and iOS, so you can use it on whatever device you happen to have to hand.

Enter a value and Power Converter converts it instantly, in both directions, with the precision you need for schoolwork, recipes, travel, engineering, or everyday questions. There are no buttons to press and no rounding surprises — the answer updates as you type. Files and data are processed securely and removed automatically afterwards, and many steps run entirely on your own device for extra privacy. Because Power Converter is completely free and unlimited, you can use it as often as you need for work, study, or personal projects.

Benefits of Power Converter

Instant, accurate results Conversions update the moment you type — no button, no rounding surprises.
Both directions Convert either way between units without re-entering your value.
Everyday & scientific units Covers the common units you need plus the precise ones you sometimes do.

Frequently asked questions

How do I use Power Converter?

Open Power Converter, follow the simple steps on the page, and get your result in seconds — everything happens online in your browser.

What can I use Power Converter for?

Convert watts, kilowatts and horsepower for work, study or personal projects — Power Converter is built to make unit converter tasks quick and painless.

Does Power Converter work on mobile?

Yes. Power Converter runs in any modern browser, so it works the same on phones, tablets and computers with nothing to install.