Blood Alcohol Calculator
Estimate your blood alcohol content (BAC) based on drinks, weight, and time. For educational purposes only.
How to Estimate Blood Alcohol Content
- 1 Select your gender and enter body weight
- 2 Add drinks with their amounts and alcohol percentage
- 3 Set the time since your first drink
- 4 View your estimated BAC and effects
- 5 Check the time until you're sober
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Last updated: January 15, 2026 · v2.1