Blood-Alcohol Content Calculator*


A person's blood-alcohol level is the result of a complex interaction of 
weight, gender, alcohol consumed and time.

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)