How long is ethanol in your system if you had a 12 pack of beer?

The duration ethanol remains in your system after consuming a 12-pack of beer can vary based on several factors, including your weight, metabolism, and the time frame of consumption. On average, the body metabolizes alcohol at a rate of about one standard drink per hour. Since a 12-pack of beer typically contains around 12 standard drinks, it could take roughly 12 hours or more for the ethanol to be eliminated from your system. However, effects like impairment may be felt for a longer period, depending on individual tolerance and consumption pace.