Barrels (US fluid) to cubic decameters converter on this page calculates how many cubic decameters are in 'X' barrels (US fluid) (where 'X' is the number of barrels (US fluid) to convert to cubic decameters). In order to convert a value from barrels (US fluid) to cubic decameters (from fl bl to dam³) just type the number of fl bl to be converted to dam³ and then click on the 'convert' button.