Convert firkin (U.K. beer) to butt (U.S.)
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 butt (U.S.):
Butt is a traditional unit of liquid volume used to measure wine. In the U.S. it is defined to be equal to 126 U.S.gallons.