Breath/Blood Alcohol Content % Calculation - Male/Female
BAC Percentage Calculator
An online blood or breath alcohol content percentage calculator.
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BAC Percentage Formula
Male
BAC% = (Total alcohol consumed, in ounces (oz) x 5.14/Body weight, in pounds (lbs) x The alcohol distribution ratio(0.73) ) - .015 x Time passed since drinking, in hours
Female
BAC% = (Total alcohol consumed, in ounces (oz) x 5.14/Body weight, in pounds (lbs) x The alcohol distribution ratio(0.66) ) - .015 x Time passed since drinking, in hours