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