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