Blood Alcohol Content (BAC) Calculator
Estimate your blood alcohol content using the Widmark formula. See your current BAC, peak BAC, impairment level, and time to sobriety based on drink type, body weight, and gender.
Medical Disclaimer
This calculator is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about your health. Never disregard professional medical advice or delay seeking it because of results from this tool.
Inputs
Results
Current BAC
0
How to Use This Calculator
- Enter your body weight in pounds.
- Select your biological sex (affects alcohol metabolism rate).
- Enter the number of drinks you have consumed.
- Select the type of drink (beer, wine, or spirits) to determine alcohol content.
- Enter the number of hours since you started drinking.
- Review your estimated BAC, legal status, impairment level, and time to sobriety.
- Use the chart to see how your BAC decreases over time as your body metabolizes alcohol.
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