Apple
52 kcal per 100g
Apple has 52 kcal per 100 g, and 1 small (149 g) comes to about 77 kcal, with 0.4 g protein, 21 g carbs and 0.3 g fat. Values are for a raw apple with skin. Most of the fiber sits in the skin.
In Kairo’s reproducible accuracy benchmark (June 16, 2026), the analysis estimate for Apple landed within 9.9 % of the USDA FoodData Central value per 100 g. Benchmark methodology and all 16 cases.
Your portion
Type the grams or the calorie budget you have left.
- 0.3 g
- Protein
- 14 g
- Carbs
- 0.2 g
- Fat
100 g ≈ 3 % of a 2,000 kcal reference intake. Work out your own daily need
Nutrition Facts
Serving size: 100g
Health Info
Apples are rich in soluble fiber (pectin), which supports gut health and helps regulate blood sugar. They contain quercetin and other polyphenols linked to lower risk of cardiovascular disease. The peel holds most of the fiber and antioxidants, so eat them unpeeled when possible.
Macros per 100g
Values per 100 g are based on recognised nutrition reference data. Last reviewed: May 2026. View sources
Track Apple in Kairo
Just photograph it. Kairo's AI reads the portion and the nutrition. Three seconds later the calories and macros are in your log, no typing.
Get Kairo on the App StoreFrequently Asked Questions
- How many calories are in Apple?
- Apple has 52 kcal per 100 g. A typical 149 g serving contains about 77 kcal.
- How much protein is in Apple?
- Apple provides 0.3 g of protein per 100 g.
- How many carbs are in Apple?
- Apple contains 13.8 g of carbohydrates per 100 g, of which 10.4 g is sugar.
- How much fat is in Apple?
- Apple contains 0.2 g of fat per 100 g. It also provides 2.4 g of fiber per 100 g.
- Is Apple good for weight loss?
- With only 52 kcal per 100 g, Apple is low in calories and fits easily into a weight-loss diet.
- Can I log Apple in Kairo from a photo?
- Yes, photograph the plate and Kairo estimates the portion and logs calories and macros. In Kairo’s reproducible accuracy benchmark (2026-06-16), the analysis estimate for Apple was within 9.9 % of the USDA FoodData Central value per 100 g.