Firkin (unit) Firkin (unit) A firkin is a unit of volume or mass used in several situations. Its etymology is likely to be from the Middle English "ferdekyn", probably from the Middle Dutch diminutive of vierde ‘fourth’ (a firkin originally contained a quarter of a barrel). A firkin is an American unit of dry measure. 1 firkin = 9 US gallons = 34 litres. A firkin was a British unit for the sale of butter and cheese. 1 firkin = 56 pounds = 25 kilograms A firkin is also a British unit for the sale of beer. It is one quarter of
Firkin Brewery filled with a stamp from each pub visited, and public transport directions to the nearest pub in the crawl would also be in the "passport". Although there was no stipulation in the rules that the 12 pubs had to be completed on the same day, this was often the goal of participants. Firkin pubs in Canada and the United States operate under the Firkin Group of Pubs franchise, a chain of English theme pubs founded in southern Ontario in 1987. The naming scheme for the pubs is similar to that of the UK chain (for example, "The Crown and Firkin",