Convert kilowatt-hour to megajoule
1 kWh = 3.6 MJ
1 kWh = 3.6 MJ
1 kWh in every energy unit
| joule | 3,600,000 J |
| kilojoule | 3,600 kJ |
| megajoule | 3.6 MJ |
| calorie | 860,000 cal |
| kilocalorie | 860 kcal |
| watt-hour | 1,000 Wh |
| kilowatt-hour | 1 kWh |
| British thermal unit | 3,410 BTU |
| foot-pound | 2,660,000 ft⋅lb |
| electron volt | 2.25e+25 eV |
| kiloelectron volt | 2.25e+22 keV |
| megaelectron volt | 2.25e+19 MeV |
How the conversion works
Multiply by 3.6 to go from kilowatt-hour to megajoule, 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? megajoule to kilowatt-hour — 1 MJ = 0.2777777778 kWh.
kilowatt-hour to megajoule — common values
| 1 kWh | 3.6 MJ |
| 2 kWh | 7.2 MJ |
| 3 kWh | 10.8 MJ |
| 5 kWh | 18 MJ |
| 10 kWh | 36 MJ |
| 15 kWh | 54 MJ |
| 20 kWh | 72 MJ |
| 25 kWh | 90 MJ |
| 50 kWh | 180 MJ |
| 75 kWh | 270 MJ |
| 100 kWh | 360 MJ |
| 250 kWh | 900 MJ |
| 500 kWh | 1,800 MJ |
| 1000 kWh | 3,600 MJ |