A small apple contains approximately 55 to 80 calories, depending on its exact size and variety. Generally, a small apple weighing about 149-150 grams has about 77-80 calories, while other sources indicate around 55 calories for a smaller apple closer to 100 grams.

Additional Nutrition Details

• A small apple typically weighs between 100 to 150 grams.
• It provides about 13.8 to 14.6 grams of carbohydrates, including natural sugars.
• Apples are low in fat and protein but high in fiber (around 2.4 to 3 grams).
• They have a low glycemic index, making them good for blood sugar management.

Thus, for calorie counting, estimating around 55 to 80 calories is appropriate for a small apple depending on the size and type.