BAC Calculator

The blood alcohol content limit for operating a vehicle in Michigan is 0.08. Use this tool to determine the approximate impact of alcoholic beverages on a person’s blood alcohol content over a period of time.

  • Body Weight:
    (in pounds)

  • Drinks consumed:
    (1 drink equals 12 oz. beer, 5oz wine, or 1oz liquor)

  • Consumption over time:

  • Gender:


  • Your BAC: