Converting joules to kwh is now made really simple and easy with this amazing app.
One joule value is equal to 2.7778e-7. So, whenever you want to convert joules to kwh, you just need to multiply the joule value that you want to convert by 2.7778e-7 in order to get the final answer. For example, if you want to convert 10000 joules to kwh then you have to multiply the value 2.7778e-7 by 10000 and you will get 0.027777778 as a final answer.
1 Joule = 2.7778e-7 Kwh
=> 24 Joules = 6.6667e-6 Kilowatt hour
=> 66 Joules = 1.8333e-5 Kilowatt hour