A typical serving of blackberries (1 cup, 144 g) has about 62 calories. Per 100 g: 43 kcal, 1.4 g protein, 9.6 g carbs, 0.5 g fat. The same 100 g carries 5.3 g of fiber and 4.9 g of sugar. Most of the energy comes from carbohydrate.
| Serving | Weight | Calories |
|---|---|---|
| 1 cup | 144 g | 62 kcal |
| 100 g | 100 g | 43 kcal |
Dark, tart, and mostly water and fiber; a cup is about 62 calories. On the energy-density scale, 43 kcal per 100 g puts blackberries at the very low end. Fiber is the standout at 5.3 g per 100 g, which slows a portion down more than the calorie count suggests.
A typical serving (1 cup, 144 g) has about 62 calories, and 100 g has 43 kcal. Calories scale with weight, so double the portion means double the number.
There are 1.4 g of protein in 100 g of blackberries, which works out to about 2 g per serving (1 cup). Treat it as an energy source rather than a protein source.
There are 9.6 g of carbohydrate per 100 g of blackberries, or about 14 g in 1 cup (144 g).
Every value on this page comes from USDA FoodData Central, entry 173946 (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 173946 (SR Legacy). Serving calories are computed from the per-100-g values.
