This nutritional information applies to a small apple with a diameter of 2.5 in. weighing about 4 oz. A small apple contains 55 calories, or about 3 percent of the daily value for calories. This daily value assumes a standard diet of 2,000 calories per day, according to Fatsecret.
The calorie content in a small apple consists of 52 calories from carbohydrates, two calories from fat and one calorie from protein. The carbohydrate content in a small apple is 14.64 g, or about 5 percent of the daily value for carbohydrates. A small apple also contains 0.18 g of fat, which is less than 1 percent of the daily value for fat. It also provides 0.28 g of protein, or less than 1 percent of the daily value for protein.
The carbohydrate content in a small apple contains includes 11.01 g of sugar. This sugar content provides about 44 calories.