Convert firkin (U.K. beer) to acre foot
Selected category: volume.
Definition and details for firkin (U.K. beer):
Firkin is a traditional unit of liquid volume equal to 1/4 barrel. U.K. beer firkin (after 1824) is equal to 9 imperial gallons or about 40.91 liters.
Definition and details for acre foot:
Acre foot (ac ft or af) is a unit of volume defined to be equal with the volume of one foot deep covering an area of one acre, exactly 43560 cubic feet, or about 1233.5 cubic meter.