Tom Wilson Counseling Center

BAC Calculator

BAC (Blood Alcohol Content) Calculations

How Much is Too Much?

Calculate your BAC (Blood Alcohol Content) based on the quantity of beverages consumed, the alcohol percentage in each drink, your weight, and the time spent consuming the drink.

  1. INPUT FLUID OUNCES CONSUMED
    (See typical ounces per serving below)
  2. INPUT YOUR WEIGHT (Lbs)
  3. INPUT ALCOHOL PERCENTAGE IN BEVERAGE
    (See general Percentage of Alcohol below)
  4. INPUT HOURS CONSUMING DRINK
  5. Click the gray button for results

Fluid Ounces Consumed Percentage of Alcohol
(Input a number,
NOT a range.)		 %
Your Weight (Lbs) Hours Consuming Drink
RESULTS:
BAC Percentage
BAC Analysis

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Help with Percent of Alcohol by Volume:

These are general % Alcohol by Volume so check your labels. Use the higher percentage if you are unsure.

  % Alcohol Ounces per Serving
BEER
Domestic Beer   5.0% 12 oz
Domestic Light Beer   4.5% 12 oz
Other Beers   3-6% 12 oz
WINE
Wine Cooler   4-7% 7 - 10 oz
Table Wine   8-14% 5 oz
White Wine   11-13% 5 oz
Red Wine   11-14% 5 oz
Port Wine   20% 5 oz
Zinfandel/Vermouth/Syrah   17-23% 5 oz
Sparkling Wine/Champagne   12% 5 oz
HARD LIQUOR
Bourbon   51-79% 1.5 oz
Brandy   40-45% 1.5 oz
Everclear   75-95% 1.5 oz
Gin   38% 1.5 oz
Rum   38-57% 1.5 oz
Tequila   40-50% 1.5 oz
Vodka   35-50% 1.5 oz
Whiskey   40-54% 1.5 oz
Schnapps   20-40% 1.5 oz