Calories in Blueberries
Per 1 cup, 148 g
Blueberries have 84 calories per 1 cup, 148 g. That is about 4% of a 2,000-calorie day. The same serving provides 1.1 g of protein, 21.0 g of carbohydrate, 0.5 g of fat and 3.6 g of fibre. Per 100 g, that works out at 57 calories and 0.7 g of protein. Against the thresholds EU food labelling uses, they qualify as fat free and low energy density. Frozen are picked ripe and cost less, with no meaningful nutritional difference.
Calories and macros
| Per 1 cup, 148 g | Serving | Per 100 g | % of daily intake |
|---|---|---|---|
| Calories | 84 kcal | 57 kcal | 4% |
| Protein | 1.1 g | 0.7 g | 2% |
| Carbohydrate | 21.0 g | 14.2 g | 8% |
| Fat | 0.5 g | 0.3 g | 1% |
| Fibre | 3.6 g | 2.4 g | 12% |
Daily intake percentages use the EU reference intakes an average adult label is based on: 2,000 kcal, 50 g protein, 260 g carbohydrate, 70 g fat, 30 g fibre.
What this is good for
These are the nutrition claims this food would qualify for under EU labelling rules — thresholds, not opinions.
Worth knowing
Figures are for a typical example and will vary by brand, ripeness and how it was cooked. For a target of your own, run the calorie calculator or take the short quiz. To log this without doing the arithmetic, Joules is free.
Figures last reviewed 29 August 2026.
Common questions about blueberries
How many calories are in blueberries?
Blueberries have 84 calories per 1 cup, 148 g, which is about 4% of a 2,000-calorie day.
How many calories are in 100 g of blueberries?
100 g of blueberries contains 57 calories.
How much protein is in blueberries?
One serving of 1 cup, 148 g provides 1.1 g of protein — 0.7 g per 100 g, or 2% of the 50 g daily reference intake.
How many carbs are in blueberries?
One serving of 1 cup, 148 g contains 21.0 g of carbohydrate, of which 3.6 g is fibre.
What are blueberries a good source of?
Measured against EU food labelling thresholds, blueberries qualify as fat free and low energy density. Under 0.5 g of fat per 100 g. Under 120 calories per 100 g, so a filling portion stays affordable.