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