๐ Unit Conversion
Energy Converter
Energy units are used differently by discipline: nutrition uses kilocalories, electricity uses kilowatt-hours and heating uses BTU. One kilocalorie equals 4,184 joules.
How it works
Value
From
To
Result
Joules
Kilocalories
Kilowatt-hours
Frequently asked questions
How do I use the Energy Converter?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.