About Alcohol Level Calculator
Dedicated to providing free, clinically grounded, and accessible alcohol pharmacokinetics tools for global road safety awareness.
Scientifically Grounded
Built using peer-reviewed pharmacokinetic models: Erik Widmark's formula (1932) and P.E. Watson's Total Body Water anthropometric equations (1980).
100% Private & Free
All calculations run client-side in your local browser. No data logging, no paywalls, and no tracking of sensitive personal health information.
Global Standards
Support for 180+ global jurisdictions, dual metric/imperial volume units, and multi-unit conversions (%, Promille ‰, mg/100ml, µg/100ml).
Why We Built This Platform
Blood alcohol concentration is frequently misunderstood. Common misconceptions—such as thinking that coffee accelerates sobriety or that one drink leaves the body in an hour regardless of strength—often lead to dangerous driving decisions.
Our goal is to provide clear, interactive, and transparent tools that illustrate how alcohol is absorbed and eliminated by the human body over time, helping individuals make informed, responsible choices.