Estimate Blood Alcohol Concentration
Estimate your blood alcohol concentration based on your drinks, timing, and profile. All processing happens in your browser. No server processing and no external tracking to protect your privacy.
Set Your Baseline
These details improve the educational estimate, but cannot make it a certified measurement.
Why precision matters.
Calculations are based on the Widmark Formula, which relies on body-profile inputs. Results remain estimates with meaningful uncertainty.
Volume of Distribution
Your body water content determines how alcohol distributes through muscle versus fat, affecting your BAC level.
Biological Variation
Bone density, body fat percentage, and enzyme activity vary between individuals, changing how fast alcohol is processed.
Sovereign Data
All processing happens in your browser. No server processing and no external tracking to protect your privacy.