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