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Convert kilojoule to megajoule

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

- scroll: formula · table · questions -

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

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

Formula to convert kilojoule to megajoule

To convert kilojoule to megajoule, divide by 1000.

1 kJ = 0.001 MJ
Example: 1 kilojoule = 0.001 megajoule

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 kilojoule to/from megajoule conversion quiz

Score: 0

67 kilojoule equals 0.0335 megajoule.

Correct answer: 67 kilojoule = 0.067 megajoule.

244 megajoule equals 2.44e+5 kilojoule.

Correct answer: 244 megajoule = 2.44e+5 kilojoule.

15.4 megajoule equals 1.54e+4 kilojoule.

Correct answer: 15.4 megajoule = 1.54e+4 kilojoule.

33 megajoule equals 3.3e+4 kilojoule.

Correct answer: 33 megajoule = 3.3e+4 kilojoule.

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