Wondering if you're okay to drive after a drink? This tool helps you make a more informed decision. Enter your details below to get a scientific estimate of your Blood Alcohol Content (BAC) and see how it compares to the legal limits in your country.
Total Alcohol Consumed: grams
Estimated Peak BAC: ‰ (per mille)
Estimated Current BAC (after elimination):
Legal Disclaimer: This tool provides a scientific estimation based on the Widmark formula and is for educational purposes only. It is not a substitute for professional legal or medical advice. Individual metabolic rates and other factors will cause variations. Do not rely on this estimate to make decisions about driving. The user assumes all risk. Legal limits last verified October 2023. The only safe BAC for driving is 0.00‰.