Convert kilojoules to joules (kJ to J) Energy converters
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Convert kilojoules to joules (kJ to J)

Convert kilojoules to joules

Convert energy from kilojoules (kJ) to joules (J) online.

Conversion factor
1 kJ = 1000 J

Multiply the kilojoule value by 1000.

Value table

kJ J
1 1000
5 5000
10 10000
50 50000
100 100000
1000 1000000

Help

kilojoule: A kilojoule is equal to 1000 joules. Often used in nutrition labeling of foods along with calories.

joule:The joule (J) is the SI unit of work and energy. Equal to the work done by a force of 1 Newton when moving 1 meter.

Questions and answers

How many joules are in 1 kJ?
Answer: 1000.

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