Blood alcohol content (BAC) estimator
Widmark: BAC = (oz × 5.14 / (lbs × r)) − 0.015 × hr. r ~0.73 men, 0.66 women.
⚠ Educational estimates only — not medical advice. Consult a healthcare professional.
About this tool
Blood alcohol content (BAC) estimator is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.
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