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