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Megajoules to Kilowatt-hours Converter (MJ to kWh)

1 MJ = 0.2777777778 kWh. Type any value to convert megajoules to kilowatt-hours.

1 MJ = 0.2777777778 kWh

Formula: kWh = MJ ÷ 3.6

Common values
Decimals
In every unit 12 units
Joule (J) 1,000,000 J
Kilojoule (kJ) 1,000 kJ
Megajoule (MJ) 1 MJ
Calorie (cal) 239,005.7361 cal
Kilocalorie (kcal) 239.0057361 kcal
Watt-hour (Wh) 277.7777778 Wh
Kilowatt-hour (kWh) 0.2777777778 kWh
Electronvolt (eV) 6.241509074 × 10²⁴ eV
British thermal unit (BTU) 947.8171203 BTU
Therm (thm) 0.00948043428 thm
Foot-pound (ft·lbf) 737,562.1493 ft·lbf
Erg (erg) 10,000,000,000,000 erg

Convert on our server?

If you continue, the file is uploaded over an encrypted connection and converted on our server. You can keep using the site meanwhile. The original is deleted as soon as it is converted; the result is kept for 6 hours so you can download it, and you can delete it at any time. Files are never shared or used for anything else.

Calculated in your browser – nothing you type is sent anywhere. Privacy details

Megajoules to kilowatt-hours table

Formula: kWh = MJ ÷ 3.6

Megajoule (MJ)Kilowatt-hour (kWh)
0.1 MJ0.02777777778 kWh
0.25 MJ0.06944444444 kWh
0.5 MJ0.1388888889 kWh
1 MJ0.2777777778 kWh
2 MJ0.5555555556 kWh
3 MJ0.8333333333 kWh
4 MJ1.111111111 kWh
5 MJ1.388888889 kWh
6 MJ1.666666667 kWh
7 MJ1.944444444 kWh
8 MJ2.222222222 kWh
9 MJ2.5 kWh
10 MJ2.777777778 kWh
12 MJ3.333333333 kWh
15 MJ4.166666667 kWh
20 MJ5.555555556 kWh
25 MJ6.944444444 kWh
30 MJ8.333333333 kWh
40 MJ11.11111111 kWh
50 MJ13.88888889 kWh
60 MJ16.66666667 kWh
75 MJ20.83333333 kWh
100 MJ27.77777778 kWh
150 MJ41.66666667 kWh
200 MJ55.55555556 kWh
250 MJ69.44444444 kWh
500 MJ138.8888889 kWh
1,000 MJ277.7777778 kWh

How to use: Megajoules to Kilowatt-hours

  1. 1 Type the value in megajoules.
  2. 2 The result in kilowatt-hours appears at once – or type in the kilowatt-hours field to convert back.
  3. 3 Pick a common value, round to fewer decimals or swap the units with one click.
  4. 4 Copy the result, or open “In every unit” to see the value in all units of energy.

About this tool

Megajoule (MJ) is a unit of energy (SI); 1 MJ = 1,000,000 J. Kilowatt-hour (kWh) is a unit of energy (metric, accepted for use with the SI); 1 kWh = 3,600,000 J.

To convert megajoules to kilowatt-hours, divide the value by 3.6 (kWh = MJ ÷ 3.6). Example: 100 MJ = 27.77777778 kWh.

Calculated in your browser – nothing you type is sent anywhere.

Frequently asked questions

How do I convert megajoules to kilowatt-hours?

To convert megajoules to kilowatt-hours, divide the value by 3.6: kWh = MJ ÷ 3.6. For example 100 MJ = 27.77777778 kWh.

What is 1 MJ in kilowatt-hours?

1 MJ = 0.2777777778 kWh. The other way round, 1 kWh = 3.6 MJ.

How exact is the result?

The converter uses the official definitions of both units and shows up to 10 significant digits; choose 0–6 decimals to round. Both units are defined exactly in terms of each other, so the factor itself is exact.

Can I convert other units of energy here?

Yes – choose any of the 12 units of energy in the From and To lists, or switch to another measurement at the top.

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