Acre-inches to barrels (US dry) conversion calculator shown above calculates how many barrels (US dry) are in 'X' acre-inches (where 'X' is the number of acre-inches to convert to barrels (US dry)). In order to convert a value from acre-inches to barrels (US dry) (from ac in to bl) simply type the number of ac in to be converted to bl and then click on the 'convert' button.