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