Cicerone Level 1 Certification Practice Exam 2026 – Complete Study Resource

A 1/2 barrel, often referred to in the beer industry as a half keg, has a capacity of 15.5 gallons. This measurement is standard in the United States and is commonly used for storing and dispensing beer. The half barrel size is particularly popular among commercial breweries and bars for its efficiency in serving larger quantities of beer at one time. The significance of this capacity in the context of beer service is crucial for understanding how much beer can be held in one vessel, which is important for both serving purposes and for inventory management in establishments that serve beer.