Leichtbier Also Known As:   Light Beer Leichtbier is simply a lighter version, in terms of alcohol content and calories, of a regular beer. Leichtbiers generally have between 90 and 110 calories per 12-ounce serving (about 125 and 150 calories for a standard half-liter bottle).        Photo: © Deutscher Brauer-Bund      Alcohol Content:  2-3.2% Extract Value:  7-12% Region:  Throughout Germany Well Known Brands Becks Beer Characteristics Lighter version beers for the calorie-conscious consumer. Usually around 30% less calories than their full-calorie counterparts. Serving Suggestions Optimal serving temperature is 45° F (7° C).