Blood Alcohol Calculator

Use this calculator to estimate your blood alcohol concentration by the number of drinks that you had. The results are only approximate estimates of your actual BAC level.

Select your weight, the number of drinks consumed, the amount of time you drank and your gender. Then click the "Compute your BAC" button to get an instant estimate of your blood alcohol concentration level.

Weight: Pounds
Drinks consumed: 12 oz. beer or equivalent
Over time period: Hours
Gender:
Your Estimated BAC: