Barrels (oil) to kiloliters converter on this page calculates how many kiloliters are in 'X' barrels (oil) (where 'X' is the number of barrels (oil) to convert to kiloliters). In order to convert a value from barrels (oil) to kiloliters (from bbl to kL) just type the number of bbl to be converted to kL and then click on the 'convert' button.