A typical serving of peach (1 medium, 150 g) has about 59 calories. Per 100 g: 39 kcal, 0.9 g protein, 9.5 g carbs, 0.3 g fat. The same 100 g carries 1.5 g of fiber and 8.4 g of sugar. Most of the energy comes from carbohydrate.
| Serving | Weight | Calories |
|---|---|---|
| 1 medium | 150 g | 59 kcal |
| 1 small | 130 g | 51 kcal |
| 1 large | 175 g | 68 kcal |
| 100 g | 100 g | 39 kcal |
A medium peach stays under 60 calories, stone and all. On the energy-density scale, 39 kcal per 100 g puts peach at the very low end.

A typical serving (1 medium, 150 g) has about 59 calories, and 100 g has 39 kcal. Calories scale with weight, so double the portion means double the number.
There are 0.9 g of protein in 100 g of peach, which works out to about 1.4 g per serving (1 medium). Treat it as an energy source rather than a protein source.
There are 9.5 g of carbohydrate per 100 g of peach, or about 14 g in 1 medium (150 g).
Every value on this page comes from USDA FoodData Central, entry 169928 (SR Legacy). Serving figures are converted from the per-100-g data, so rounding can shift a total by a calorie or two.
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Get JoulesA note on accuracy: calculators like this one provide estimates based on population-level formulas — your real needs vary with genetics, muscle mass, medical conditions, and more. Results are for information only and are not medical advice, a diagnosis, or a prescription. Talk to a doctor or registered dietitian before making significant changes to your diet or exercise, especially if you have a health condition, are pregnant, or are under 18.
Nutrition data: USDA FoodData Central, FDC ID 169928 (SR Legacy). Serving calories are computed from the per-100-g values.