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