Barrels (UK) to tons (displacement) conversion calculator above calculates how many tons (displacement) are in 'X' barrels (UK) (where 'X' is the number of barrels (UK) to convert to tons (displacement)). In order to convert a value from barrels (UK) to tons (displacement) (from bl to DT) type the number of bl to be converted to DT and then click on the 'convert' button.