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Convert megajoule to joule

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

- scroll: formula · table · questions -

  • 1 MJ = 1000000 J
  • 1 J = 0.000001 MJ

Megajoule to joule conversion table

megajoule joule
1 1000000
2 2000000
5 5000000
10 10000000
20 20000000
50 50000000
100 100000000

Formula to convert megajoule to joule

To convert megajoule to joule, multiply by 1000000.

1 MJ = 1000000 J
Example: 1 megajoule = 1000000 joule

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 joule conversion quiz

Score: 0

25 megajoule equals 2.5e+8 joule.

Correct answer: 25 megajoule = 2.5e+7 joule.

10 megajoule equals 1.0e+7 joule.

Correct answer: 10 megajoule = 1.0e+7 joule.

1 megajoule equals 1.0e+6 joule.

Correct answer: 1 megajoule = 1.0e+6 joule.

50 joule equals 5.0e-6 megajoule.

Correct answer: 50 joule = 5.0e-5 megajoule.

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