Estimate blood alcohol content from drinks and time.
Blood Alcohol Calculator gives a Widmark-based BAC estimate from your drinks, body weight, gender and time elapsed. See an impairment level and an estimated time to sober. For information and awareness only - never drink and drive.
Show More
What's new in the latest 1.1.0
Last updated on 2026-09-25
Open testing release: quality, UX and localization improvements.
We use cookies and other technologies on this website to enhance your user experience. By clicking any link on this page you are giving your consent to our Privacy Policy and Cookies Policy.