Convert Joule (J) to Kilojoule (kJ)
To convert Joule to Kilojoule, multiply the value by 0.001. For example, 1 Joule = 0.001 kJ and 10 Joule = 0.01 kJ. Both Joule and Kilojoule are units of Energy. Enter any value above for an instant, accurate result.
One Joule equals 0.001 kJ.
Use the formula: kJ = J × 0.001.