what is the alcohol percentage in?
<answer> Beers contain between 5% to 14% alcohol by volume. <context> Check out Beer Making 101 to get started. The alcohol content of beer is calculated in abv, or alcohol by volume. The percentage of alcohol by volume represents the amount of ethanol present within 100 milliliters of the beverage. Most beers contain between 5% to 14% alcohol by volume, give or take. The actual alcohol comes from the fermentation process, where cereal grains like barley, or another starch source, are steeped in water, and a brewer’s yeast is added to trigger the fermentation process.