BTU (IT) per hour to cubic feet de natural gas per hour conversion calculator shown above calculates how many cubic feet de natural gas per hour are in 'X' BTU (IT) per hour (where 'X' is the number of BTU (IT) per hour to convert to cubic feet de natural gas per hour). In order to convert a value from BTU (IT) per hour to cubic feet de natural gas per hour simply type the number of BTU/h to be converted to cubic feet de natural gas per hour and then click on the 'convert' button.