Convert megajoule to kilowatt-hour
1 MJ = 0.2777777778 kWh
1 MJ = 0.278 kWh
1 MJ in every energy unit
| joule | 1,000,000 J |
| kilojoule | 1,000 kJ |
| megajoule | 1 MJ |
| calorie | 239,000 cal |
| kilocalorie | 239 kcal |
| watt-hour | 278 Wh |
| kilowatt-hour | 0.278 kWh |
| British thermal unit | 948 BTU |
| foot-pound | 738,000 ft⋅lb |
| electron volt | 6.24e+24 eV |
| kiloelectron volt | 6.24e+21 keV |
| megaelectron volt | 6.24e+18 MeV |
How the conversion works
Multiply by 0.2777777778 to go from megajoule to kilowatt-hour, or divide by it to go back. Every conversion on this site routes through the SI value (J) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? kilowatt-hour to megajoule — 1 kWh = 3.6 MJ.
megajoule to kilowatt-hour — common values
| 1 MJ | 0.27777778 kWh |
| 2 MJ | 0.55555556 kWh |
| 3 MJ | 0.83333333 kWh |
| 5 MJ | 1.3888889 kWh |
| 10 MJ | 2.7777778 kWh |
| 15 MJ | 4.1666667 kWh |
| 20 MJ | 5.5555556 kWh |
| 25 MJ | 6.9444444 kWh |
| 50 MJ | 13.888889 kWh |
| 75 MJ | 20.833333 kWh |
| 100 MJ | 27.777778 kWh |
| 250 MJ | 69.444444 kWh |
| 500 MJ | 138.88889 kWh |
| 1000 MJ | 277.77778 kWh |