Note that it takes about 2 hours for the adult body to completely break down a single drink. Do not drive after drinking. For comparison, regular beer is 5% alcohol by volume (alc/vol), table wine is about 12% alc/vol, and straight 80-proof distilled spirits is 40% alc/vol. The percent alcohol by volume (alc/vol) for distilled spirits is listed on bottle labels and may be found online as well.