Blood Alcohol Level Calculator



Most states have a legal limit of .10% blood alcohol level (BAC) for driving. How do you figure out what .10% means for your height, weight, gender and so on? This handy calculator should help you figure it out! In general, though, if you stick with a drink an hour, and limit yourself to two glasses a night, that gives you the best health benefits without risking an accident.

  • FLUID OUNCES CONSUMED
    (Beer ~ 12 oz. Wine Glass ~ 4 oz. 1 Shot ~ 1.5 oz)
  • YOUR WEIGHT (Lbs)
  • ALCOHOL PERCENTAGE IN BEVERAGE
    (Beer ~ 4-4.5% Wine ~ 15-20% 1 Shot ~ 30-50%)
  • HOURS CONSUMING DRINK
Fluid Ounces Consumed Percent Alcohol
Your Weight (Lbs) Hours Consuming Drink
BAC Percentage
BAC Analysis


Note: A great deal of research and work went into my wine / health pages. If you use this information, please credit me properly. Thanks!

Wine and Health



All content on the WineIntro website is personally written by author and wine enthusiast Lisa Shea. WineIntro explores the delicious variety and beautiful history which makes up our world of wine! Lisa loves supporting local wineries and encouraging people to drink whatever they like. We all have different taste buds, and that makes our world wonderful. Always drink responsibly.