The number of pints in a keg depends on the size of the keg and the standard pint measurement used. This one varies by country. In the United States, a standard pint is 16 ounces (473 milliliters). For the United Kingdom, a pint is larger—20 ounces (568 milliliters). In the USA, the most common keg size is the half-barrel keg, which holds 15.5 gallons or approximately 58.7 liters of beer. This can be translated to around 124 U.S. pints (15.5 gallons × 8 pints per gallon).

In addition to this half-barrel, there are several other popular keg sizes. For example, a quarter-barrel (also known as a pony keg) holds 7.75 gallons, or about 62 U.S. pints. A sixth-barrel keg (often used by craft brewers) holds 5.16 gallons, which is around 41 U.S. pints. There’s also the Cornelius keg, commonly used in homebrewing, which contains five gallons, or 40 U.S. pints.

In the UK and parts of Europe, kegs are usually measured in liters. The standard European keg is 50 liters, which equals about 88 UK pints or almost 106 U.S. pints. Smaller kegs, such as 30-liter or 20-liter options, are also common and provide fewer pints accordingly.

Home draft systems as PerfectDraft use 6-liter kegs. This equals approximately 10.5 U.S. pints or just over 10 UK pints, depending on how you pour.

After all, the exact number of pints a keg contains can vary depending on the keg type and the definition of a pint being used. Additionally, factors like foam loss and spillage can slightly reduce the number of full pints served from any keg.

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