What standard amount of beverage alcohol is considered equal to one drink?

A standard drink is generally defined as a specific amount of alcohol that contains roughly 14 grams of pure alcohol, which is typically found in a 5-ounce glass of wine. This amount is consistent across various types of alcoholic beverages when assessing their alcohol content. Wine generally has an alcohol by volume (ABV) of about 12-14%, making a 5-ounce serving a reliable measure of one standard drink.

In contrast, other beverages listed, such as a 10-ounce beer or a pint of whiskey, contain varying amounts of alcohol. A standard beer is usually considered to be a 12-ounce serving with an ABV of around 5% or more, which is more than the equivalent of one drink. Similarly, a pint of whiskey far exceeds the standard drink measurement due to its much higher concentration of alcohol. A 16-ounce cocktail could also contain a significant amount of alcohol, but the exact content varies widely depending on the recipe and intended strength.

Understanding these measurements is crucial for safe drinking practices, particularly for motorcycle operators who need to adhere to legal blood alcohol concentration limits for safe riding.