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