Saint Louis University

Blood Alcohol Calculator

Estimated BAC Levels are based on consumption
Type of Drink Consumed?
Number of Servings Consumed?
Time Since First Drink?
BAC Percentage
Calculate BAC to see the analysis

This calculator is for general information purposes only.

This calculator is NOT to be used as an accurate or exact measurement of a specific individual's BAC.

To find out how gender, body weight, food, and what, how much, and how fast you drink can all affect your Blood Alcohol Concentration visit the Virtual Bar at

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