Energy Converter
Convert any value between joules, kilojoules, calories, kilocalories and more. Pick the units, type the number and see the result together with every other equivalent.
How it works
- 1
Type the value
Enter the number you want to convert.
- 2
Pick the units
Choose the unit you have and the unit you need.
- 3
Read the table
The result appears instantly, with the value in every other unit below it.
Related tools
Other tools people use right after this one.
Built to get out of your way
487
Tools available
6
Languages
0
Watermarks added
2h
Until your files are erased
100%
Free to start
∞
Devices supported
Frequently asked questions
All the units in the From and To lists, including joules, kilojoules, calories, kilocalories.
Accurate Energy conversions
This converter uses the exact standard factors for joules, kilojoules, calories, kilocalories and the other units in the list, so results match what you would get from a reference table, without rounding errors creeping in.
Everything runs in your browser as you type: no upload, no sign-up and no limit. Bookmark the page to have every unit a click away.