Final answer:
A standard drink generally contains approximately 0.6 ounces or 17 milliliters of pure alcohol, which is equivalent to what's in 12 ounces of beer, 5 ounces of wine, or 1.5 ounces of distilled spirits.
Step-by-step explanation:
The amount of alcohol in a standard drink size can vary by country, but generally, a standard drink contains about 0.6 ounces or 17 milliliters of pure alcohol. This is roughly equivalent to the amount of alcohol found in 12 ounces of beer, 5 ounces of wine, or 1.5 ounces of distilled spirits, each of which typically contains the same amount of alcohol. Understanding standard drink sizes can help individuals make informed decisions regarding their alcohol consumption.