Convert kilojoule to megajoule
Here you can quickly calculate how many megajoule fit in one kilojoule.
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- 1 kJ = 0.001 MJ
- 1 MJ = 1000 kJ
Example: kilojoule to megajoule
- 1 kilojoule = 0.001 megajoule
Kilojoule to megajoule conversion table
| kilojoule | megajoule |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 20 | 0.02 |
| 50 | 0.05 |
| 100 | 0.1 |
Kilojoule to megajoule formula
To convert kilojoule to megajoule, divide by 1000.
1 kJ = 0.001 MJ
Example: 1 kilojoule = 0.001 megajoule
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 kilojoule and megajoule conversion quiz
Score:
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125 kilojoule equals 0.075 megajoule.
Correct answer: 125 kilojoule = 0.125 megajoule.
66 megajoule equals 6.6e+4 kilojoule.
Correct answer: 66 megajoule = 6.6e+4 kilojoule.
120 megajoule equals 2.4e+5 kilojoule.
Correct answer: 120 megajoule = 1.2e+5 kilojoule.
18.5 megajoule equals 1.85e+4 kilojoule.
Correct answer: 18.5 megajoule = 1.85e+4 kilojoule.
40 megajoule equals 2.4e+4 kilojoule.
Correct answer: 40 megajoule = 4.0e+4 kilojoule.