Convert joule to kilowatt-hour

1 J = 2.777777778e-07 kWh

1 J = 2.78e-07 kWh
1 J in every energy unit
joule1 J
kilojoule0.001 kJ
megajoule0.000001 MJ
calorie0.239 cal
kilocalorie0.000239 kcal
watt-hour0.000278 Wh
kilowatt-hour2.78e-07 kWh
British thermal unit0.000948 BTU
foot-pound0.738 ft⋅lb
electron volt6.24e+18 eV
kiloelectron volt6.24e+15 keV
megaelectron volt6,240,000,000,000 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 J2.7777778e-07 kWh
2 J5.5555556e-07 kWh
3 J8.3333333e-07 kWh
5 J0.0000013888889 kWh
10 J0.0000027777778 kWh
15 J0.0000041666667 kWh
20 J0.0000055555556 kWh
25 J0.0000069444444 kWh
50 J0.000013888889 kWh
75 J0.000020833333 kWh
100 J0.000027777778 kWh
250 J0.000069444444 kWh
500 J0.00013888889 kWh
1000 J0.00027777778 kWh