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DWI Blood Alcohol Calculator

*This calculator is for estimation purposes only. Everyone is unique and other conditions may also affect your BAC.


  • 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