Track drinks, body weight, elapsed time, and legal limit guidance with a polished Widmark-style BAC calculator built for fast, responsive interaction.
Choose sex, weight, drinks, and elapsed time to generate a live BAC estimate using a Widmark-style approach.
Current weight used for calculations: 75 kg
Calculated from drink alcohol grams, weight, sex factor, and elapsed time.
Regional checks compare your result with common UK and Scotland limits.
This calculator is for educational and reference purposes only. It is not medical advice and must not be used as the only basis for deciding whether you are fit to drive, operate machinery, or make safety-critical decisions. Alcohol absorption and metabolism vary significantly between individuals, so always follow local laws and wait until you are unquestionably safe before driving.