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