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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.

Type of Alcohol % 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