Energy Converter
Result
... Kilojoule = ... Megajoule
Result
... Kilojoule
=
... Megajoule
Find the units to convert
Kilojoule to Megajoule Converter
Use this page to convert kilojoule values into megajoule, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 kJ = 0.001 MJ
1 MJ = 1,000 kJ
Example: 120 kJ = 0.12 MJ
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
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 to Megajoule table
| Kilojoule [kJ] | Megajoule [MJ] |
|---|
| 0.01 kJ | 0.00001 MJ |
| 0.1 kJ | 0.0001 MJ |
| 1 kJ | 0.001 MJ |
| 2 kJ | 0.002 MJ |
| 5 kJ | 0.005 MJ |
| 10 kJ | 0.01 MJ |
| 20 kJ | 0.02 MJ |
| 50 kJ | 0.05 MJ |
| 100 kJ | 0.1 MJ |
Frequently asked questions
How many Megajoule (MJ) are in one Kilojoule (kJ)?
One Kilojoule equals 0.001 Megajoule.
How do you convert Kilojoule to Megajoule?
Multiply the Kilojoule value by 0.001 to get the result in Megajoule.
How do you convert Megajoule back to Kilojoule?
Multiply the Megajoule value by 1,000 to get back to Kilojoule.
What is 120 Kilojoule in Megajoule?
120 Kilojoule equals 0.12 Megajoule.
