Drinks Consumed
(12 ounces beer or equivalent)
123456789

Over Time Period (hours)
123456

Gender
FemaleMale

B.A.C.

The basic formula for estimating a person's blood-alcohol concentration comes from The National Highway Traffic Safety Administration. Each drink in this calculation assumes a volume of of .54 ounces of alcohol (one shot of distilled spirits, a glass of wine, or 12 ounces of beer).