Skip to content

Convert megajoule to megawatt hour

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

- scroll: formula · table · questions -

  • 1 MJ = 0.000278 MWh
  • 1 MWh = 3600 MJ

Megajoule to megawatt hour conversion table

megajoule megawatt hour
1 0.000278
2 0.000556
5 0.001389
10 0.002778
20 0.005556
50 0.013889
100 0.027778

Formula to convert megajoule to megawatt hour

To convert megajoule to megawatt hour, divide by 3600.

1 MJ = 0.000278 MWh
Example: 1 megajoule = 0.000278 megawatt hour

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 megawatt hour conversion quiz

Score: 0

2 megajoule equals 0.000556 megawatt hour.

Correct answer: 2 megajoule = 0.000556 megawatt hour.

5 megawatt hour equals 1.8e+5 megajoule.

Correct answer: 5 megawatt hour = 1.8e+4 megajoule.

5 megawatt hour equals 3.6e+3 megajoule.

Correct answer: 5 megawatt hour = 1.8e+4 megajoule.

25 megawatt hour equals 9.0e+4 megajoule.

Correct answer: 25 megawatt hour = 9.0e+4 megajoule.

More conversions in energy