Megajoule → Megawatt hour (MJ → MWh)

MJ to MWh direct conversion page with calculator, reverse conversion and comparison table.

1 MJ = 0.00027777777777778 MWh
1 Megajoule (MJ) = 0.00027777777777778 Megawatt hour (MWh).


swap converter

If you want to reverse convert, use Megawatt hour → Megajoule. 1 MWh = 3600 MJ. You can also explore the full Energy converter page for more cross conversions.

Conversion formula

Megajoule to Megawatt hour formula: value in MWh = value in MJ × 0.00027777777777778.

Megawatt hour to Megajoule formula: value in MJ = value in MWh × 3600.

How to convert Megajoule to Megawatt hour

To convert Megajoule to Megawatt hour, multiply the value in MJ by 0.00027777777777778. This gives the result in MWh.

For example, 1 MJ = 0.00027777777777778 MWh and 10 MJ = 0.0027777777777778 MWh.

What is Megajoule?

Megajoule (MJ): Expresses fuel and heating energy on a larger scale. 1 MJ = 1000 kJ = 1 000 000 J.

What is Megawatt hour?

Megawatt hour (MWh): A larger energy unit used for power generation and grid consumption. 1 MWh = 1000 kWh = 3.6 GJ.

FAQ

How many megawatt hour are in 1 megajoule?

There are 0.00027777777777778 MWh in 1 MJ.

Why can conversion results differ slightly?

Check the unit definition and rounding. US and imperial measures can differ; rounding intermediate values can also change the final digits.

How do I convert megajoule to megawatt hour?

Multiply the value in MJ by 0.00027777777777778 to get the value in MWh.

Megajoule → other Energy units

Megajoule → Megawatt hour Table

The table below shows common values from Megajoule to Megawatt hour and the reverse direction for quick reference.

MJMWhRounded
1 MJ0.00027777777777778 MWh0.0003
2 MJ0.00055555555555556 MWh0.0006
3 MJ0.00083333333333333 MWh0.0008
4 MJ0.0011111111111111 MWh0.0011
5 MJ0.0013888888888889 MWh0.0014
10 MJ0.0027777777777778 MWh0.0028
12 MJ0.0033333333333333 MWh0.0033
15 MJ0.0041666666666667 MWh0.0042
20 MJ0.0055555555555556 MWh0.0056
25 MJ0.0069444444444444 MWh0.0069
30 MJ0.0083333333333333 MWh0.0083
40 MJ0.011111111111111 MWh0.0111
50 MJ0.013888888888889 MWh0.0139
75 MJ0.020833333333333 MWh0.0208
100 MJ0.027777777777778 MWh0.0278
200 MJ0.055555555555556 MWh0.0556
250 MJ0.069444444444444 MWh0.0694
500 MJ0.13888888888889 MWh0.1389
750 MJ0.20833333333333 MWh0.2083
1000 MJ0.27777777777778 MWh0.2778
2500 MJ0.69444444444444 MWh0.6944
5000 MJ1.3888888888889 MWh1.3889
10000 MJ2.7777777777778 MWh2.7778

Megawatt hour → Megajoule Table

MWhMJRounded
1 MWh3600 MJ3600.0000
2 MWh7200 MJ7200.0000
3 MWh10800 MJ10800.0000
4 MWh14400 MJ14400.0000
5 MWh18000 MJ18000.0000
10 MWh36000 MJ36000.0000
12 MWh43200 MJ43200.0000
15 MWh54000 MJ54000.0000
20 MWh72000 MJ72000.0000
25 MWh90000 MJ90000.0000
30 MWh108000 MJ108000.0000
40 MWh144000 MJ144000.0000
50 MWh180000 MJ180000.0000
75 MWh270000 MJ270000.0000
100 MWh360000 MJ360000.0000
200 MWh720000 MJ720000.0000
250 MWh900000 MJ900000.0000
500 MWh1800000 MJ1800000.0000
750 MWh2700000 MJ2700000.0000
1000 MWh3600000 MJ3600000.0000
2500 MWh9000000 MJ9000000.0000
5000 MWh18000000 MJ18000000.0000
10000 MWh36000000 MJ36000000.0000

Megawatt hour → Megajoule

The reverse value is 1 MWh = 3600 MJ.