Blueberry calories: nutrition, weighed portions and preparation

How many calories does blueberry contain?

For the numbers in this guide, blueberry means “Blueberries, raw” (USDA FoodData Central 171711). It contains 57 kcal per 100 g edible portion. This is a raw blueberry reference. A blueberry muffin or sweetened dried blueberry product cannot be logged as plain fresh fruit. Keeping that definition attached to the number prevents a plain ingredient from being mistaken for a prepared meal.

A weighed 125 g portion provides approximately 71.3 kcal: 125 × 57 ÷ 100. A smaller 62.5 g portion gives 35.6 kcal, while 187.5 g gives 106.9 kcal. These are calculated amounts of the named food, not claims about the weight of a standard piece, cup or restaurant serving.

What comes with those calories?

The same 100 g reference provides 0.7 g protein, 14.5 g total carbohydrate, 0.3 g fat and 2.4 g fiber. For the illustrated 125 g portion, those amounts become 0.9 g protein, 18.1 g carbohydrate, 0.4 g fat and 3 g fiber. Calories and individual nutrients describe different parts of the food, so keep all of them on the same portion basis when reading the table.

Plain raw blueberries are the reference. A muffin that contains blueberries is mainly a mixed recipe, and a sweetened dried product differs in both water content and added ingredients.

Weighing blueberry without guessing a serving

Weigh the berries in a tared bowl. A loosely filled cup is not a universal substitute for a measured gram amount. A useful kitchen sequence is to place an empty bowl on the scale, tare it to zero, add the edible blueberry, and note the grams before combining it with other foods. If you serve only part of that amount, record the part eaten. Leftovers matter because the amount available and the amount consumed are different quantities.

Weigh loose berries before adding them to cereal. If using frozen berries, check whether they are unsweetened and whether the selected record describes that preparation; a syrup-packed product needs a different entry.

What changes in a complete dish?

A cup depends on how the berries fill the vessel and is not a guaranteed weight. For a recipe distributed among several jars, divide the actual berry quantity rather than giving every jar a generic fruit serving.

Frozen unsweetened berries may suit a matching entry; syrup-packed or sweetened products need their labels checked.

For an explicit ingredient example, 125 g of the named blueberry plus 5 g olive oil gives approximately 115.5 kcal. The blueberry contributes 71.3 kcal and the oil contributes 44.2 kcal. This is an illustrative two-ingredient calculation, not a tested recipe or a claim that blueberry is always served with oil.

How blueberry compares with raw strawberry

The comparison food is “Strawberries, raw” (FDC 167762), which contains 32 kcal per 100 g. At equal 125 g weights, the blueberry reference supplies 71.3 kcal and raw strawberry supplies 40 kcal: a difference of 31.3 kcal. That is a calculation for these records, not a universal ranking of foods or an instruction to exchange equal portions.

Compare the nutrients as well as the energy in the named records below. A food with a different water content, texture or role in the meal may not be a direct substitute. For a real swap, compare the amounts you plan to eat and include the rest of the plate, rather than choosing solely from the lower number in a 100 g table.

Recording the meal in BiteCal

In BiteCal, start with a photo of the blueberry portion and the rest of the meal. Review the proposed food name, preparation, amount and visible additions before saving the calorie and macro estimate. If you already know the gram weight, use it as a check rather than accepting a visually plausible portion. A photo cannot establish a hidden oil quantity or replace the identity of a packaged product.

The nutrient figures come from USDA SR Legacy, final release April 2018. They provide a reproducible reference for the named food rather than a laboratory result for your own serving. Use the current package or restaurant information when it describes your exact product more closely. Rounding explains small differences between displayed portions; calculations here use the retained unrounded reference values.

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