Barrels (oil) to cubic decimeters conversion calculator above calculates how many cubic decimeters are in 'X' barrels (oil) (where 'X' is the number of barrels (oil) to convert to cubic decimeters). In order to convert a value from barrels (oil) to cubic decimeters (from bbl to dm³) type the number of bbl to be converted to dm³ and then click on the 'convert' button.