Blood-Alcohol Content Calculator*

A person's blood-alcohol level is the result of a complex interaction of weight, gender, alcohol consumed and time. As such, this calculator is for estimation purposes only. If you consume alcohol in any amount you should not drive a motor vehicle.
Weight 
(pounds)

Drinks Consumed
(12 ounces beer or equivalent)

Over Time Period (hours)
Gender

*This 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 .54 ounces of alcohol.(one shot of distilled spirits, a glass of wine, or 12 ounces of beer)