how long will 40 ounces of beer stay in my system?!
Best Answer - Chosen by Voters
If your liver is healthy, it will assimilate around 12 oz. of beer every hour. So a little over 3 hours.
ABC certified bartender.
Depends on the alcohol content. Something "high gravity" like Old English HG800 will take a little longer; say 5 hours. Below is a link to an article that tells the alcohol content of many popular high gravity beers, energy beers and low-end fortified wines: