Blood Alcohol Content (BAC) Calculator
Estimate your BAC. For educational purposes only. Do not use to determine if it is safe to drive.
What is a BAC Calculator?
A Blood Alcohol Content (BAC) Calculator is a tool used to estimate the percentage of alcohol in a person's bloodstream. It uses the Widmark formula, which considers variables like the number and type of drinks consumed, body weight, gender, and the duration of drinking. The resulting BAC level helps to understand the potential level of intoxication.
Disclaimer: This calculator provides an estimate for educational purposes only. It is not a legal tool and should not be used to determine if it is safe to drive. Many factors can affect BAC, and individual results will vary.
How to Use the BAC Calculator
To estimate your BAC, enter the following information:
- Body Weight and Gender: Your weight and gender are key factors in how your body metabolizes alcohol.
- Number of Drinks: Enter how many standard drinks you have consumed (e.g., 1 beer, 1 glass of wine, 1 shot of liquor).
- Time Since First Drink: Input how many hours have passed since you started drinking.
The calculator will estimate your current BAC level.
Why is Knowing Your Estimated BAC Important?
While not a substitute for official measurement, an estimated BAC can be informative:
- Educational Awareness: It helps you understand how different amounts of alcohol can affect your body and impairment levels.
- Promotes Safer Choices: By seeing how quickly BAC can rise, it encourages more responsible decisions regarding alcohol consumption.
- Health Insight: It provides a general idea of alcohol's impact, which can be useful for health and wellness tracking.