A small apple typically has about 50–80 calories , with many nutrition databases and health sites converging around roughly 55–60 calories for a small fruit with skin.

Quick Scoop

  • A generic “small apple” (about 2.5 inches in diameter) is usually listed at around 55 calories.
  • Some databases using slightly heavier “small” apples (around 145–150 g) show closer to 75–80 calories.
  • A small red apple of about 100 g comes out around 50–55 calories , showing how weight and variety shift the number a bit.

Why the Numbers Vary

  • Different sources define “small” by different weights (roughly 100 g vs 145–150 g), which changes the final calorie count.
  • Apples are mostly carbs and water, so their calories scale almost directly with size and weight, even within the “small” category.

Practical Rule of Thumb

  • For everyday tracking or casual calorie counting, using about 55–60 calories for a small apple with skin is a reasonable estimate.
  • If you want more precision, weigh the apple and use an approximate value of about 50–55 calories per 100 g for small apples.

Information gathered from public forums or data available on the internet and portrayed here.