Convert joules to kilojoules
J
1 joule =
0.001 kilojoules
* exact result
Select how many decimal places the result will be rounded to:
How to convert joules to kilojoules
To convert joules to kilojoules, divide a joules value by 1000.
Formula kJ = J ÷ 1000
Example: Convert 10000 joules to kilojoules Calculations: 10000 J ÷ 1000 = 10 kJ
Joule (J)
The joule is the universal unit of energy, defined as the amount of energy transferred when a force of one newton moves an object one meter in the direction of the force. One joule is approximately equal to 0.000000278 kilowatt-hours.
Kilojoule (kJ)
The kilojoule is a unit of energy, defined as 1000 joules. One kilojoule is approximately equal to 0.000278 kilowatt-hours.