A single blackberry contains approximately 2.8 calories, as indicated by multiple sources, including Nutritionix (link) and USDA data (link).

As for an eighth of a cup of blackberries, which typically weighs about 18 grams, the calorie content can be estimated based on the nutritional information that indicates one cup (144 grams) of blackberries provides about 62 calories (link). Given this, an eighth of a cup would contain approximately 9-10 calories since it's roughly one-eighth of the calories found in a full cup.

In summary, a single blackberry holds about 2.8 calories, while an eighth of a cup contains around 9-10 calories.One single blackberry contains approximately 2.8 calories. This is consistent across multiple sources, including the USDA and Nutritionix, which both confirm that a single blackberry, weighing about 6.5 grams, delivers this caloric value. You can explore more details through the following links:

• Nutritionix - 1 Blackberry
• USDA Nutritionix - 1 Blackberry

When it comes to an eighth of a cup of blackberries, the caloric content is about 8 calories. This macronutrient breakdown indicates that it consists mainly of carbohydrates and contains minimal fat and protein. For more information on this specific measurement, you can refer to the following sources:

• FatSecret - 1/8 cup of Blackberries
• Eat This Much - 1/8 cup of Blackberries

In summary, a single blackberry has around 2.8 calories, while an eighth of a cup provides about 8 calories, making blackberries a low-calorie fruit option.

Sources

Calories in 1/8 cup of Blackberries and Nutrition Facts - FatSecret⅛ Cup Of Blackberries Nutrition Facts - Eat This MuchCalories in Blackberries, raw - 1 blackberry from USDA - NutritionixBlackberry Nutrition: Facts & Health Benefits - Driscoll'sNutrition Facts - University of Rochester Medical CenterWhat are the nutrition facts of blackberries? - QuoraBlackberries - Calories and Nutrition Facts - Fitia

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