In the United States, the lowest calorie light beers are Michelob Ultra with 73 calories, Beck’s Premier Light with 64 calories, MillerCoors’ MGD Light with 64, and the new Bud Select 55 with 55 calories - all in 12 oz bottles.  Regular beer usually has 150 calories per 12-oz bottle while traditional light beers have 95 calories.  Light beer also contains less alcohol.  For instance, the alcohol by volume (ABV) is 5% for Budweiser beer, about 4% for light beer, and 2.4% for Bud Select 55 and MGD light.