Blood-Alcohol Content Calculator*
A person's blood-alcohol level is the result of a complex interaction of weight, gender, alcohol consumed and time. Any amount of alcohol will impair your ability.

Weight (pounds)

Drinks Consumed
(12 ounces beer or equivalent)

Over Time Period (hours)

Gender

 

*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).
Want a BAC estimator which can be installed on your computer?  Go here.
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