Question: how much does 1/2 keg of beer serve?
Answer: By standard U.S. keg size measurements, 1/2 bbl kegs total to 15.5 gallons or 165 12 oz. pours, 1/4 bbl kegs total to 7.75 gallons or 82 12 oz. pours, and 1/6 bbl kegs total to 5.16 gallons or 55 12 oz. pours.