Blood Alcohol Content Calculator

BAC Calculator

Note: this is not an authoritative way to calculate BAC, and certainly not a way to prove or disprove an asserted BAC level. But, as a rough calculator, it can provide value in assessing witness statements, and as a guide for attorneys or investigators.


BAC Calculator

Note: this is not an authoritative way to calculate BAC, and certainly not a way to prove or disprove an asserted BAC level. But, as a rough calculator, it can provide value in assessing witness statements, and as a guide for attorneys or investigators.


  • 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


Free JavaScripts provided
by The JavaScript Source