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