Glossary
Pin
A cask of four and a half imperial gallons — half a firkin, about 20.5 litres or 36 pints.
Used for slower-selling beers and at small events, precisely because a broached cask must be sold quickly. A pin lets a pub offer something unusual without committing to shifting 72 pints in three days.
Related
- Firkin — The standard size.
More vocabulary
Beer-clean glass · Brewer’s barrel · Cask · Cellar conditioning · Crowler · Draught · Firkin · Growler · Imperial pint · Keg
See every term on the glossary index.
Last reviewed 2026-08-16.