How much alcohol is typically found in a glass of wine?

A standard glass of wine typically contains 5 ounces. This measurement is widely recognized in both the beverage industry and health guidelines, as it represents a common serving size for wine, which holds about 12-14% alcohol by volume. This serving size allows for an appropriate amount of alcohol consumption that can be assessed in the context of understanding impairment, particularly when evaluating individuals for potential alcohol-related offenses.

In comparison, smaller or larger servings may not accurately reflect standard consumption patterns, leading to misinterpretations in clinical or legal assessments related to alcohol content and its effects on behavior and judgment. Therefore, understanding that a standard glass of wine is 5 ounces is crucial for accurate assessments in the context of alcohol consumption.