kWh → MJ converter

Convert kilowatt-hours to megajoule (Energy)

1 kWh = 3.6 MJ · 1 MJ = 0.2777777778 kWh

Common values: 10 kWh 50 kWh 100 kWh 500 kWh 1000 kWh

50 kWh = 180 MJ

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Kilowatt-hours to megajoule Conversion

1 kilowatt-hours (kWh) is equal to 3.6 megajoule (MJ).

1 kWh = 3.6 MJ

or

1 MJ = 0.2777777778 kWh

Formula

To convert a energy from kilowatt-hours (kWh) to megajoule (MJ), multiply the energy in kilowatt-hours by 3.6

e(MJ) = e(kWh) × 3.6

Examples:

Convert 50 kilowatt-hours to megajoule:

e(MJ) = 50kWh × 3.6 = 180 MJ

Conversion table

Kilowatt-hours (kWh) Megajoule (MJ)
1 kWh 3.6 MJ
2 kWh 7.2 MJ
3 kWh 10.8 MJ
5 kWh 18 MJ
10 kWh 36 MJ
20 kWh 72 MJ
25 kWh 90 MJ
50 kWh 180 MJ
100 kWh 360 MJ
250 kWh 900 MJ
500 kWh 1800 MJ
1000 kWh 3600 MJ
Megajoule (MJ) Kilowatt-hours (kWh)
1 MJ 0.277777778 kWh
2 MJ 0.555555556 kWh
3 MJ 0.833333333 kWh
5 MJ 1.388888889 kWh
10 MJ 2.777777778 kWh
20 MJ 5.555555556 kWh
25 MJ 6.944444444 kWh
50 MJ 13.888888889 kWh
100 MJ 27.777777778 kWh
250 MJ 69.444444444 kWh
500 MJ 138.888888889 kWh
1000 MJ 277.777777778 kWh

Frequently asked questions

How do I convert kilowatt-hours to megajoule?

Multiply the value in kilowatt-hours by 3.6 to get the result in megajoule. For example, 5 kWh × 3.6 = 18 MJ.

How many megajoule are in 1 kilowatt-hours?

1 kilowatt-hours (kWh) is equal to 3.6 megajoule (MJ).

How do I convert megajoule back to kilowatt-hours?

Use the inverse operation: divide the value in megajoule by 3.6 to get the result in kilowatt-hours.

How accurate is the kilowatt-hours to megajoule conversion?

The converter multiplies by the conversion factor 3.6 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.

Sources

Conversion factors are based on internationally recognised standards:

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