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