To convert joules (J) to kilojoules (kJ), you need to divide the value in joules by 1000.
So, to convert 1400 J to kJ:
1400 J / 1000 = 1.4 kJ
Therefore, 1400 joules is equal to 1.4 kilojoules.
This below table contains list of energy units and conversion values:
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