kWh to J
Convert kilowatt-hours to joules instantly, with the formula and a table of common values.
How it works
Type a value in kilowatt-hour — the result appears as you type.
The formula is shown, so you can check the arithmetic rather than trusting it.
Use the table for common values, or open the full Energy Converter for other units.
Privacy
Everything happens locally. Your files are read by your own browser, processed on your device, and never uploaded — closing the tab is all it takes to erase them.
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