This Is How Many Beers Are In A Standard Keg - Tasting Table
Briefly

Kegs are essential for efficient beer service, holding consistent fluid-ounce capacities across various sizes, allowing for easy transportation and eco-friendly serving options.
The standard full keg holds approximately 15½ gallons of beer, equivalent to 124 pints or 165 12-ounce bottles, making it ideal for commercial use.
A pony keg, or quarter barrel, holds 7¾ gallons and is perfect for smaller gatherings, offering easier transportation without compromising on guests’ drinking experience.
To determine the keg size for a party, hosts should plan for two beers per guest in the first hour and one per hour after.
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