Skip to content

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

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

4.2 megajoule equals 4.2e+3 kilojoule.

Correct answer: 4.2 megajoule = 4.2e+3 kilojoule.

12 kilojoule equals 0.006 megajoule.

Correct answer: 12 kilojoule = 0.012 megajoule.

94 megajoule equals 4.7e+4 kilojoule.

Correct answer: 94 megajoule = 9.4e+4 kilojoule.

187 kilojoule equals 0.187 megajoule.

Correct answer: 187 kilojoule = 0.187 megajoule.

More energy conversions