Blood Alcohol Calculator – Estimate Your BAC Online

Update: Tuesday, 31. March 2026

Would you like to calculate your estimated blood alcohol level? This more compact premium version groups the drinks into collapsible categories and shows you the result live instantly.

Important note: This calculator only provides approximate values. The actual value may vary significantly depending on metabolism, health condition, stress, medication, or sleep. All information is provided without guarantee. Never drive after consuming alcohol.

1. Personal information

Person A rough BMI is calculated from the personal data and used for estimating blood alcohol concentration.

2. Select drinks

3. Additional information

Last meal The meal is considered as a rough influencing factor, but remains only an approximation.

4. Result

Total consumed ? liters
Alcohol contained ? ml
Estimated BAC ? ‰
Sober again in at least ? hours
Estimated status unknown
Alcohol status
Current condition
This classification is simplified and does not replace a medical or legal assessment.

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