BAC Estimator
Widmark blood alcohol concentration estimate from drinks and weight.
0.040 %
Estimated BAC
Educational use only. Real BAC depends on many factors not modelled here (food, hydration, medications, genetics). Do not use to decide whether to drive.
About this tool
Educational implementation of the Widmark formula. Returns an approximate BAC %, assuming standard 14 g ethanol drinks and 0.015 %/hour elimination. NOT a sobriety determination — do not use to decide whether to drive.