This calc will estimate B.A.C.
Use this calculator to get an idea of your alcohol tolerance by weight. Use this calculator at your own risk, it's not meant to be an excuse to get sloppy drunk. Females have a lower tolerance for alcohol so assume the estimated BAC is too low. Based on the quantity of beverages consumed, the alcohol percentage in each drink, the person's weight, and the time spent consuming the drink.
FLUID OUNCES BY DRINK
Beer 12 oz. | Wine Glass 4 oz. | 1 Shot 1.5 oz
ALCOHOL PERCENTAGE BY DRINK
Beer 4-4.5% | Wine 15-20% | 1 Shot 30-50%
Ounces of alcohol is self explanatory, % of alcohol is either half of the proof, or marked on the label on wines/liquors. Most beer is 4%.
BAC = ((ounces of alcohol * % of alcohol by volume * 0.075) / persons weight) - (hours of drinking * 0.015)
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