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