Colorado DUI law states an alcoholic drink is considered to be:
1.5 ounces of hard liquor
One 12-ounce glass of beer
One 5-ounce glass of wine
On average, it takes two drinks for a 120-pound female to become drunk and four drinks for a 180-pound male. People react differently to alcohol; some become drunk with much less than a drink. You never know how much a person drank until they are tested with a breathalyzer after a crash caused by reckless DUI behavior.