Find out the average alcohol content of beer and the calories per ounce for 50 popular brands. Learn about the benefits and effects of beer alcohol content and how to drink smartly. The average alcohol content of most beers is 5% ABV, with the majority of mainstream beers falling between 4-7% ABV. Light beers typically range from 3.2-4.2% ABV, while craft beers often reach 6-8% ABV or higher. The amount of alcohol found in beer, wine, and spirits can vary based on how high the proof is, which is measured with alcohol by volume (ABV) percentages. Proof for alcohol is generally twice the percentage of alcohol listed. Beer is a favorite alcoholic beverage of Americans. The alcohol content of beers can vary widely, from a light weak beer with a low alcohol percentage to beers with a high alcohol percentage. Most places that sell beer and other alcohol often don't give you the alcohol percentage so this list can help you figure out what you want. A higher alcohol content will get you drunker faster than a lower alcohol content beer.