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Power Converter
Convert watt instantly and see the same value in every supported unit.
Convert power converter
Result: —
Rate: —
The same value in every unit
Status: —
How to use the Power Converter
- Type the value you want to convert into the number field.
- Choose the unit you are converting from and the unit you want in the two dropdowns.
- Read the result and the full table of every unit, then copy the value you need.
Features
- Every common unit in the category in one place
- Full table showing the value in all units at once
- Swap button to reverse the conversion instantly
- Runs locally in your browser with no uploads
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Frequently Asked Questions
Common questions about the free online power converter.
It converts between 10 units, all listed in the two dropdowns, and every one of them is shown
in the results table.
Every value is first converted into watt and then into your target unit, which keeps the
rounding error to a single step.
Conversions use the standard international factors and are shown to ten significant figures,
so the only difference you will see comes from display.
Yes. The table below the result repeats the same value in every supported unit, so you can
compare them without converting over and over.
Click the Swap button and the from and to units exchange places, with the answer recalculated
straight away.
Yes. Values outside the normal range are shown in scientific notation so extremely small and
extremely large results stay readable.
Yes. It is completely free, needs no account or sign-up, and there is no limit on how many
conversions you make.
Yes. The layout is responsive and the number field opens a numeric keypad on mobile devices.
No. Every calculation happens in your browser, so the numbers you type never leave your
device.
Last updated: October 10, 2026