Cubic feet de natural gas per hour to calories per second conversion calculator shown above calculates how many calories per second 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 calories per second). In order to convert a value from cubic feet de natural gas per hour to calories per second simply type the number of cubic feet de natural gas per hour to be converted to cal/s and then click on the 'convert' button.