Convert megajoule to kilojoule
Here you can quickly calculate how many kilojoule fit in one megajoule.
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- 1 MJ = 1000 kJ
- 1 kJ = 0.001 MJ
Example: megajoule to kilojoule
- 1 megajoule = 1000 kilojoule
Megajoule to kilojoule conversion table
| megajoule | kilojoule |
|---|---|
| 1 | 1000 |
| 2 | 2000 |
| 5 | 5000 |
| 10 | 10000 |
| 20 | 20000 |
| 50 | 50000 |
| 100 | 100000 |
Megajoule to kilojoule formula
To convert megajoule to kilojoule, multiply by 1000.
1 MJ = 1000 kJ
Example: 1 megajoule = 1000 kilojoule
Common energy conversion mistakes
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The relationship is exact: 1 kWh = 3.6 MJ (3,600 kJ, because an hour has 3,600 seconds). The common slip is dividing when you should multiply: 10 kWh is 36 MJ, not 2.8. Remember the direction: kWh → MJ means times 3.6.
Quick megajoule and kilojoule conversion quiz
Score:
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4.2 megajoule equals 4.2e+3 kilojoule.
Correct answer: 4.2 megajoule = 4.2e+3 kilojoule.
12 kilojoule equals 0.006 megajoule.
Correct answer: 12 kilojoule = 0.012 megajoule.
94 megajoule equals 4.7e+4 kilojoule.
Correct answer: 94 megajoule = 9.4e+4 kilojoule.
187 kilojoule equals 0.187 megajoule.
Correct answer: 187 kilojoule = 0.187 megajoule.