How many ounces are typically found in one beer serving?

A standard serving of beer is typically 12 ounces. This measurement is widely used across most commercial beers in the United States, and it represents a common size for bottles and cans. The 12-ounce serving size allows for a balance between volume and alcohol content, as it provides a moderate amount of beer that is manageable for most drinkers.

Other sizes, such as 8 ounces, 10 ounces, or 16 ounces, may exist, particularly in specific styles like craft beers, but the general industry standard for a single serving is 12 ounces. Understanding the standard serving size is crucial for bartenders, as it aids in serving customers accurately and helps in managing alcohol consumption.