Busch Light is a light beer commonly sold throughout the United States. It has only 4.1 percent alcohol by volume, which is less than the more typical 5 percent. This lower alcohol content means that you many drink less calories if you choose a Busch Light over another light beer.
A typical 12-oz. bottle of light beer has 103 calories, according to the United States Department of Agriculture. This same bottle of Busch Light beer has 95 calories. Beer is a fat-free food and Busch Light has no calories from fat.
Calories from Carbohydrates
Each gram of carbohydrates has 4 calories. A 12-oz. bottle of Busch Light has just over 3 g of carbohydrates, giving it nearly 13 calories from carbohydrates.
Calories from Protein
A single gram of protein also has 4 calories, according to MedlinePlus. Each bottle of Busch Light has less than 1 g of protein, accounting for less than 3 calories from protein.