DO NOT DRIVE BASED ON THESE RESULTS. This BAC calculator provides an estimate only. By using this calculator you accept full legal responsibility for your actions and release this site from all liability.

Estimate BAC from drinks, ABV, and time

Sex

Step 1 of 3

Michelob Ultra BAC Calculator

A Michelob Ultra is 12 oz (355 ml) at 4.2% ABV โ€” a little under one standard drink, despite the low-carb reputation. Enter your weight, sex, and when you started to estimate your BAC. Michelob Ultra is already filled in above.

Read the full guide to Michelob Ultra alcohol content.