File & Data Converters
Joules to Kilojoules Converter
Enter a value in joules to convert it to kilojoules, or switch units to convert the other way.
1 Joules = 0.001 Kilojoules
All Joules conversions
Kilojoules
0.001
Calories
0.239006
Kilocalories
0.000239
Watt-hours
0.000278
Kilowatt-hours
0
How to use this tool
- 1Enter a value in joules.
- 2The result in kilojoules updates instantly.
- 3Use the swap button to convert kilojoules to joules instead.
Frequently asked questions
How many kilojoules is 1 joule?+
1 joule equals approximately 0.001 kilojoules.