B4UDrink

B4UDrink projects the level of alcohol in your blood based on information you provide, and tells how it might affect you. Simply enter the requested information in four easy steps to estimate your Blood Alcohol Concentration (BAC).

B4UDrink is provided by The Century Council in collaboration with the University of Illinois.

About the calculations
The National Institute on Alcohol Abuse and Alcoholism (NIAAA) has reviewed the Blood Alcohol Educator and has found it to be consistent with the latest available research findings.

More about drink types
A standard serving of spirits 1.5 oz, 5 oz. of wine or 12 oz. of beer all contain the same amount of alcohol.

- Table Wine: 5 oz. - 12% ABV

- Beer: 12 oz. - 5% ABV

- Light Beer: 12 oz. - 4.2% ABV

- Flavored Malt Beverage: 12 oz. - 5% ABV

- Shot: 1.5 oz. - 80-proof liquor

- Standard Mixed Drink: 1.5 oz. - 80-proof liquor - plus mixer

- Margarita: 1.5 oz. 80-proof tequila, 0.5 oz. 40-proof triple sec, 1 oz. lime juice

- Martini: 1.67 oz. 80-proof gin, 0.33 oz. 36-proof vermouth

More about BAC
Blood Alcohol Concentration (BAC) is the concentration of alcohol in blood. In all 50 states and DC .08 BAC is drunk driving. All states have a "zero tolerance" policy; that is a BAC limit of .02 for persons under 21.

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