Convert kilojoule to kilowatt-hour
1 kJ = 0.0002777777778 kWh
1 kJ = 0.000278 kWh
1 kJ in every energy unit
| joule | 1,000 J |
| kilojoule | 1 kJ |
| megajoule | 0.001 MJ |
| calorie | 239 cal |
| kilocalorie | 0.239 kcal |
| watt-hour | 0.278 Wh |
| kilowatt-hour | 0.000278 kWh |
| British thermal unit | 0.948 BTU |
| foot-pound | 738 ft⋅lb |
| electron volt | 6.24e+21 eV |
| kiloelectron volt | 6.24e+18 keV |
| megaelectron volt | 6.24e+15 MeV |
How the conversion works
Multiply by 0.0002777777778 to go from kilojoule 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 kilojoule — 1 kWh = 3,600 kJ.
kilojoule to kilowatt-hour — common values
| 1 kJ | 0.00027777778 kWh |
| 2 kJ | 0.00055555556 kWh |
| 3 kJ | 0.00083333333 kWh |
| 5 kJ | 0.0013888889 kWh |
| 10 kJ | 0.0027777778 kWh |
| 15 kJ | 0.0041666667 kWh |
| 20 kJ | 0.0055555556 kWh |
| 25 kJ | 0.0069444444 kWh |
| 50 kJ | 0.013888889 kWh |
| 75 kJ | 0.020833333 kWh |
| 100 kJ | 0.027777778 kWh |
| 250 kJ | 0.069444444 kWh |
| 500 kJ | 0.13888889 kWh |
| 1000 kJ | 0.27777778 kWh |