Calculate Ruby Red Grapefruit calories
Choose a serving example or enter the weight you measured.
Calories by serving and weight
| Serving | Weight | Calories |
|---|---|---|
| Half grapefruit | 123 g | 52 kcal |
| One grapefruit | 246 g | 103 kcal |
Scoop out the sections you eat or weigh the peeled segments. The example half provides 123 g after removing the rind.
Nutrition facts
| Nutrient | Per 100 g |
|---|---|
| Energy | 42 kcal |
| Carbohydrate | 10.7 g |
| Fiber | 1.6 g |
| Total sugars | 6.89 g |
| Protein | 0.77 g |
| Fat | 0.14 g |
| Potassium | 135 mg |
| Vitamin C | 31.2 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.