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