How many drinks are in a 3-ounce glass of 80-proof vodka?

In a 3-ounce glass of 80-proof vodka, there would typically be two drinks. A standard drink is typically considered to be 1.5 ounces of distilled spirits at 40% alcohol by volume (ABV), which is equivalent to 80-proof. Therefore, a 3-ounce glass of 80-proof vodka would contain two standard drinks.