BAC Calculator

Estimate your Blood Alcohol Concentration (BAC) based on the amount and type of alcohol consumed, your weight, and time spent drinking.

Gender: Select your biological sex.

Weight (in pounds): Enter your body weight in pounds (lbs).

Number of Beers (12 oz at 5%): Standard beer is 12 oz at 5% alcohol.

Number of Glasses of Wine (5 oz at 12%): Standard wine glass is 5 oz at 12% alcohol.

Number of Shots of Liquor (1.5 oz at 40%): Standard shot is 1.5 oz at 40% alcohol.

Hours Drinking: How many hours have passed since you started drinking?