How long will 1 beer show up on a breathalyzer?


How long will 1 beer show up on a breathalyzer? In some cases, the breathalyzer may detect alcohol for up to 12 hours. In other individuals, the breathalyzer test may work for twice that long. Although the average person metabolizes about 1 alcoholic drink per hour, this rate varies.


How many beers can I drink before breathalyzer?

A 180-lb man may be able to drink 3.5 regular 12-ounce beers in one hour and keep his Blood Alcohol Concentration (BAC) under the legal limit of . 08%. Similarly, a 140-lb woman may be able to consume 2.5 regular beers in an hour and maintain a BAC of less than . 08%.