How to convert joules to kilojoules?
1 Joule (J) is equal to 0.001 kilojoule (kJ). To convert joules to kilojoules, multiply the joule value by 0.001 or divide by 1000.
For example, to convert 100 J to kJ, divide 100 by 1000, that makes 0.1 kJ is 100 J.
J to kJ formula
kJ = J * 0.001
kJ = J / 1000
1 Joule = 0.001 Kilojoule
What is a Joule?
Joule is a metric system energy unit. 1 J = 0.001 kJ. The symbol is "J".
Please visit energy and work units conversion to convert all energy and work units.