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.
Drunk Calculator

Estimate BAC from drinks, ABV, and time

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Breathalyzers See how drunk you actually are

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Bud Light BAC Calculator

A Bud Light is 12 oz (355 ml) at 4.2% ABV — a little under one standard drink, like most American light lagers. Enter your weight, sex, and when you started to estimate your BAC. Bud Light is already filled in above.

Read the full guide to Bud Light alcohol content.