A typical serving of grapes (1 cup, 151 g) has about 104 calories. Per 100 g: 69 kcal, 0.7 g protein, 18.1 g carbs, 0.2 g fat. The same 100 g carries 0.9 g of fiber and 15.5 g of sugar. Most of the energy comes from carbohydrate.
| Serving | Weight | Calories |
|---|---|---|
| 1 cup | 151 g | 104 kcal |
| 10 grapes | 49 g | 34 kcal |
| 100 g | 100 g | 69 kcal |
Easy to eat by the handful, so the cup measure is worth knowing: about 104 calories. On the energy-density scale, 69 kcal per 100 g puts grapes at the low end.
A typical serving (1 cup, 151 g) has about 104 calories, and 100 g has 69 kcal. Calories scale with weight, so double the portion means double the number.
There are 0.7 g of protein in 100 g of grapes, which works out to about 1.1 g per serving (1 cup). Treat it as an energy source rather than a protein source.
Sugar comes to 15.5 g per 100 g, so 1 cup (151 g) delivers roughly 23 g. That sugar is already counted inside the calorie figures on this page.
Every value on this page comes from USDA FoodData Central, entry 174683 (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 174683 (SR Legacy). Serving calories are computed from the per-100-g values.
