A sixth barrel keg holds 5.16 gallons ... which would produce 26 12-ounce beers. This depends on the size of the keg, but standard full keg serves 165 beers. If you have 40 people, that would ...

Purchasing a keg might seem like a bright idea if you're hosting a party, but before you buy one, it's good to know just how many beers are in a full keg.