Kilocalories to kilowatt hours converter above calculates how many kilowatt hours are in 'X' kilocalories (where 'X' is the number of kilocalories to convert to kilowatt hours). In order to convert a value from kilocalories to kilowatt hours (from kcal to kWh) type the number of kcal to be converted to kWh and then click on the 'convert' button.