Barrels (US dry) to acre-feet converter on this page calculates how many acre-feet are in 'X' barrels (US dry) (where 'X' is the number of barrels (US dry) to convert to acre-feet). In order to convert a value from barrels (US dry) to acre-feet (from bl to ac ft) simply type the number of bl to be converted to ac ft and then click on the 'convert' button.