Joules to kilowatt hours (J to Kwh) conversion table shows the most common values for the quick reference. Alternatively, you may use the converter to convert any other values.
1 Joule = 2.77777778 x 10 -7 (0.000 000 277 777 778) Kilowatt Hour (Kwh)
Joule is metric system energy unit (electrical, mechanical or thermal) and defined as the amount of work done by a force of one newton to move an object one meter or a current of one ampere when passing through one ohm resistance for one second. It is named after James Prescott Joule in 19th century. The abbreviation is "J".
Kilowatt hours is one kilowatt amount of power delivered in one hour. One of the most common usage is billing the amount of energy delievered by electric utilities. The abbreviation is "kWh".