Cubic feet de natural gas per hour to kilocalories per day converter on this page calculates how many kilocalories per day are in 'X' cubic feet de natural gas per hour (where 'X' is the number of cubic feet de natural gas per hour to convert to kilocalories per day). In order to convert a value from cubic feet de natural gas per hour to kilocalories per day just type the number of cubic feet de natural gas per hour to be converted to kcal/d and then click on the 'convert' button.