Blood Alcohol Calculator

What is a Blood Alcohol Calculator (BAC)?
A Blood Alcohol Calculator or your Blood Alcohol Concentration is a rough estimate of how much alcohol you have in your body. Or, it’s a rough estimate of how intoxicated you are.

Is a computer-based BAC accurate?
No. Many other factors (for example: your body type, age, sex, if you’ve taken any medication, how much food you’ve had to eat, etc.) can influence your BAC. This computer program is just an estimate.

1. You are:  

2. My country:  

3. How much do you weigh?    

4. About how many hours has it been since you had your first drink?  



5. How many drinks have you had since you started drinking?