Blood Alcohol Content (BAC)

What is BAC?

Blood Alcohol Concentration

Blood Alcohol Concentration (BAC) is a measure of the percentage of alcohol in the bloodstream. A BAC of .20 means 2 drops of alcohol for 1,000 drops of blood. It is important to understand the factors that affect BAC and how the effects of drinking alcohol vary among individuals.

Men and women differ when it comes to alcohol and their BAC.