Calculate Ruby Red Grapefruit calories

Choose a serving example or enter the weight you measured.

52 kcal for 123 g.

Carbohydrate 13.16 g · Fiber 1.97 g · Total sugars 8.47 g · Protein 0.95 g · Fat 0.17 g · Potassium 166.05 mg · Vitamin C 38.38 mg

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Calories by serving and weight

Calories by serving size
ServingWeightCalories
Half grapefruit123 g52 kcal
One grapefruit246 g103 kcal

Scoop out the sections you eat or weigh the peeled segments. The example half provides 123 g after removing the rind.

Nutrition facts

Nutrition per stated weight
NutrientPer 100 g
Energy42 kcal
Carbohydrate10.7 g
Fiber1.6 g
Total sugars6.89 g
Protein0.77 g
Fat0.14 g
Potassium135 mg
Vitamin C31.2 mg

Which nutrition reference should you use?

USDA groups pink and red grapefruit in this record. If you sprinkle sugar onto a grapefruit half, log the added sugar separately.

For a weighed serving, the calculator scales the reference calories by the weight entered. Published serving figures are used at their stated weights when available.

Sources & methods

  1. USDA FoodData Central 174673 · Raw pink and red grapefruitSR Legacy reference.
  2. Texas Department of Agriculture · Grapefruit varieties

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