CALCULATE YOUR BLOOD ALCOHOL LEVEL (BAC)
Blood alcohol concentration (BAC) is the amount of alcohol in the bloodstream. A BAC of .05% means the person has .05 grams of alcohol in every 100 mL of their blood.
As the liver metabolizes alcohol (at a rate of about one standard drink per hour), the BAC level drops unless more alcohol is consumed. A person's BAC is either measured with a breathalyzer, or by analyzing a sample of their blood.
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