Energy Converter
Result
... Kilojoule = ... Joule
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Kilojoule to Joule Converter
Use this page to convert kilojoule values into joule, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 kJ = 1,000 J
1 J = 0.001 kJ
Example: 120 kJ = 120,000 J
Kilojoule
A kilojoule equals 1,000 joules.
History: It is a decimal multiple adopted for practical energy values.
Current use: Kilojoules are used in nutrition and industrial energy figures.
Also written as kJ, kilojoules.
Joule
A joule is the work done by a force of one newton through one meter.
History: It is named after James Prescott Joule.
Current use: Joules are used in physics, engineering, and energy calculations.
Also written as J, joules.
Kilojoule to Joule table
| Kilojoule [kJ] | Joule [J] |
|---|
| 0.01 kJ | 10 J |
| 0.1 kJ | 100 J |
| 1 kJ | 1,000 J |
| 2 kJ | 2,000 J |
| 5 kJ | 5,000 J |
| 10 kJ | 10,000 J |
| 20 kJ | 20,000 J |
| 50 kJ | 50,000 J |
| 100 kJ | 100,000 J |
Frequently asked questions
How many Joule (J) are in one Kilojoule (kJ)?
One Kilojoule equals 1,000 Joule.
How do you convert Kilojoule to Joule?
Multiply the Kilojoule value by 1,000 to get the result in Joule.
How do you convert Joule back to Kilojoule?
Multiply the Joule value by 0.001 to get back to Kilojoule.
What is 120 Kilojoule in Joule?
120 Kilojoule equals 120,000 Joule.
