Energy Converter
Result
... Megajoule = ... Kilojoule
Result
... Megajoule
=
... Kilojoule
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Megajoule to Kilojoule Converter
Use this page to convert megajoule values into kilojoule, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 MJ = 1,000 kJ
1 kJ = 0.001 MJ
Example: 120 MJ = 120,000 kJ
Megajoule
A megajoule equals one million joules.
History: It follows the SI mega prefix for scaling joules by powers of ten.
Current use: Megajoules are used in fuel values, engineering, and energy reporting.
Also written as MJ, megajoules.
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.
Megajoule to Kilojoule table
| Megajoule [MJ] | Kilojoule [kJ] |
|---|
| 0.01 MJ | 10 kJ |
| 0.1 MJ | 100 kJ |
| 1 MJ | 1,000 kJ |
| 2 MJ | 2,000 kJ |
| 5 MJ | 5,000 kJ |
| 10 MJ | 10,000 kJ |
| 20 MJ | 20,000 kJ |
| 50 MJ | 50,000 kJ |
| 100 MJ | 100,000 kJ |
Frequently asked questions
How many Kilojoule (kJ) are in one Megajoule (MJ)?
One Megajoule equals 1,000 Kilojoule.
How do you convert Megajoule to Kilojoule?
Multiply the Megajoule value by 1,000 to get the result in Kilojoule.
How do you convert Kilojoule back to Megajoule?
Multiply the Kilojoule value by 0.001 to get back to Megajoule.
What is 120 Megajoule in Kilojoule?
120 Megajoule equals 120,000 Kilojoule.
