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Blood Alcohol Concentration (BAC) Calculator


This page will allow you make a calculation for your BAC during a typical drinking occasion.

During a typical drinking occasion, how many alcoholic drinks do you consume? Use the table below to determine the percentages for wine and beer, and the proof of various hard alcohols.

Enter how many OUNCES of beer or wine you had and how many SHOTS of liquor you had. Be sure to put a check next to all the values you enter. A can of beer is usually 12 ounces and a glass of wine is usually 4 ounces. (Ex. 4 beers=48 ounces)

In the hours consuming drink box, consider the hours you spent from your first sip to your very last sip.

Step 1

Are you male or Female? Male

Step 2

How much do you weigh? (pounds)

Step 3

How many hours have you been partying for? (hours)

Step 4

What have you been drinking tonight?
Beer or Wine:
  Ounces Percent
  Shots Proof
(Be sure to place a check next to the ones you want to count!) 

Step 5

Get your BAC!   
Your BAC is:  

Regular Beer

Brand  % Alcohol 
Corona 5.03%
Genesee 4.70%
Guinness 4.27%
Heineken Dark 5.17%
Michelob    4.99%
Miller High Life 4.80%
Miller Genuine Draft 5.02%
Molson  6.04%
Samuel Adams  4.88%

Light Beer

Brand  % Alcohol 
Amstel Light 3.96%
Natural Light 4.12%
Bud  Light  3.88%
Coors Light   4.36%
Michelob Light 4.52%
Miller Lite 4.40%
Molson Light 2.41%


Brand  % Alcohol 
Dry White 12.2%
Red/Rose 12.5%
Champaign 12.2%
Mad Dog 14%
Light Wine 7.4%
Dessert Wine 18.8%


Bourbon/Whiskey  Proof 
Bar Stock 86
Old Grand Dad 90
Yukon Jack 100
Wild Turkey 101
Rum  Proof 
Bar Stock 80
Captain Morgan's 151 151
Others  Proof 
Kahlua 54
Peach Schnapps 40
Peppermint Schnapps 60
Rumple Mize 100
Ouzo 92
Triple Sec 78
Everclear 190
Gin  Proof 
Bar Stock 80
Bombay 86
Tangueray 95
Vodka  Proof 
Bar stock 80
Tequila  Proof 
Bar stock 40