File & Data Converters
Kilojoules to Joules Converter
Enter a value in kilojoules to convert it to joules, or switch units to convert the other way.
1 Kilojoules = 1,000 Joules
All Kilojoules conversions
Joules
1,000
Calories
239.005736
Kilocalories
0.239006
Watt-hours
0.277778
Kilowatt-hours
0.000278
How to use this tool
- 1Enter a value in kilojoules.
- 2The result in joules updates instantly.
- 3Use the swap button to convert joules to kilojoules instead.
Frequently asked questions
How many joules is 1 kilojoule?+
1 kilojoule equals approximately 1000 joules.