How Many Beers In A Keg?Cornelius KegHalf Barrel KegCapacity (gal / oz / L)5.0 gal 640 oz 18.93L15.5 gal 1,984 oz 58.67LPints (16 oz)40124Bottles / Cans (12oz)53165Growlers (64 oz)1031Jan 2, 2020
This is what most people know as “a keg,” but the half barrel name throws them off. One of these has 15.5 gallons of beer in it. That means you can get 165 12 oz. beers from it, or 124 16 oz.
As days go past the freshness reduces. In general, the fresher your keg draft beer is, the better it tastes. Keg beer will remain fresh if dispensing with CO2, while maintaining the proper temperature and pressure: For non-pasteurized draft beer about 45-60 days. For pasteurized draft beer about 90-120 days.