How long does it take an adult body to get rid of one unit alcohol?

On average, the adult body can process (metabolize) approximately one standard drink per hour. A standard drink is defined as:

- Beer: 12 fluid ounces of 5% alcohol content

- Wine: 5 fluid ounces of 12% alcohol content

- Distilled spirits: 1.5 fluid ounces of 40% alcohol content