Blood Alcohol Content (BAC) Calculator

Estimate your blood alcohol level based on drinks consumed, body weight, and time. Know when you are safe to drive.

CL
CalcLeap Editorial Team
Reviewed by certified professionals · Last updated April 1, 2026

Estimate your blood alcohol level based on drinks consumed, body weight, and time. Know when you are safe to drive.

1 drink = 12oz beer (5%) = 5oz wine (12%) = 1.5oz spirits (40%)