Firkin (unit)

American unit of dry measure

A firkin is an American unit of dry measure.

1 firkin = 9 gallons.

British unit for butter and cheese

A firkin was a British unit for the sale of butter and cheese.

1 firkin = 56 pounds = 25 kilograms

British unit of volume for beer

A firkin is also a British unit for the sale of beer. It is one quarter of a barrel and its value depends on the current size of a barrel, but at present:

1 firkin = 0.25 barrel = 9 imperial gallons = 10.8 U.S. gallons = 41 litres