Convert joule to kilowatt-hour
1 J = 2.777777778e-07 kWh
1 J = 2.78e-07 kWh
1 J in every energy unit
| joule | 1 J |
| kilojoule | 0.001 kJ |
| megajoule | 0.000001 MJ |
| calorie | 0.239 cal |
| kilocalorie | 0.000239 kcal |
| watt-hour | 0.000278 Wh |
| kilowatt-hour | 2.78e-07 kWh |
| British thermal unit | 0.000948 BTU |
| foot-pound | 0.738 ft⋅lb |
| electron volt | 6.24e+18 eV |
| kiloelectron volt | 6.24e+15 keV |
| megaelectron volt | 6,240,000,000,000 MeV |
How the conversion works
Multiply by 2.777777778e-07 to go from joule 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 joule — 1 kWh = 3,600,000 J.
joule to kilowatt-hour — common values
| 1 J | 2.7777778e-07 kWh |
| 2 J | 5.5555556e-07 kWh |
| 3 J | 8.3333333e-07 kWh |
| 5 J | 0.0000013888889 kWh |
| 10 J | 0.0000027777778 kWh |
| 15 J | 0.0000041666667 kWh |
| 20 J | 0.0000055555556 kWh |
| 25 J | 0.0000069444444 kWh |
| 50 J | 0.000013888889 kWh |
| 75 J | 0.000020833333 kWh |
| 100 J | 0.000027777778 kWh |
| 250 J | 0.000069444444 kWh |
| 500 J | 0.00013888889 kWh |
| 1000 J | 0.00027777778 kWh |