Blood Alcohol Content Calculator


  • FLUID OUNCES CONSUMED
    (Beer = 12 oz. Wine Glass = 4 oz. 1 Shot = 1.5 oz)
  • YOUR WEIGHT (Lbs)
  • ALCOHOL PERCENTAGE IN BEVERAGE
    (Beer = 4 to 4.5% Wine = 15 to 20% 1 Shot = 30 to 50%)
  • HOURS CONSUMING DRINK
Fluid Ounces Consumed Percent Alcohol
Your Weight (Lbs) Hours Consuming Drink
BAC Percentage
BAC Analysis
How to use the BAC Calculator
1) Enter total fluid ounces of alcoholic beverage you consumed.
2) Enter the percent of alcohol in the beverage you consumed.
3) Enter your weight.
4) Enter the number of hours from your first drink until you completed your last drink.
5) Click on the Calculate Your BAC %.
6) Read your BAC percentage and BAC Analysis.

The purpose of this interactive calculator is to demonstrate how little alcohol it can take to put you in harms way and/or can lead to a DWI arrest..

This calculator is NOT to be used as a guideline for how much you can drink and still either ride a motorcycle or avoid being arrested! The best guideline is:

If You Ride Don't Drink! or If you Drink Don't Ride!