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Convert megajoule to kilojoule

Here you can quickly calculate how many kilojoule fit in one megajoule.
write a number and we convert instantly
swap direction → TWh

- scroll: formula · table · questions -

  • 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

  • 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: 0

76 megajoule equals 152 000 kilojoule.

Correct answer: 76 megajoule = 76 000 kilojoule.

21.4 megajoule equals 42 800 kilojoule.

Correct answer: 21.4 megajoule = 21 400 kilojoule.

2.9 megajoule equals 2 900 kilojoule.

Correct answer: 2.9 megajoule = 2 900 kilojoule.

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