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Convert megajoule to kilojoule

Here you can quickly calculate how many kilojoule fit in one megajoule.

- scroll: formula · table · questions -

  • 1 MJ = 1000 kJ
  • 1 kJ = 0.001 MJ

Megajoule to kilojoule conversion table

megajoule kilojoule
1 1000
2 2000
5 5000
10 10000
20 20000
50 50000
100 100000

Formula to convert megajoule to kilojoule

To convert megajoule to kilojoule, multiply by 1000.

1 MJ = 1000 kJ
Example: 1 megajoule = 1000 kilojoule

Common mistakes

  • 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 to/from kilojoule conversion quiz

Score: 0

19.7 kilojoule equals 0.0295 megajoule.

Correct answer: 19.7 kilojoule = 0.0197 megajoule.

103 megajoule equals 1.03e+5 kilojoule.

Correct answer: 103 megajoule = 1.03e+5 kilojoule.

20.4 megajoule equals 3.06e+4 kilojoule.

Correct answer: 20.4 megajoule = 2.04e+4 kilojoule.

14 megajoule equals 1.4e+4 kilojoule.

Correct answer: 14 megajoule = 1.4e+4 kilojoule.

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