One standard alcoholic drink equals

Just one drink can raise your blood alcohol content (BAC) to 0.02% or higher. What is "one drink?" One standard drink is considered to be a 1.5-ounce shot of 80-proof liquor, a 5-ounce glass of wine, or a 12-ounce can of beer. All these drinks contain the same amount of alcohol. An average adult human body can break down the alcohol in one standard drink per hour. [Effects of Alcohol, Drinking and Driving, Be In Shape to Drive, New Mexico Driver Manual]