Calories in Grapefruit
52kcal per 1/2 grapefruit (123 g)
42 kcal per 100 g · about 3% of a 2,000-kcal day
Half a grapefruit is about 52 calories and famously tart, which is why it turns up on so many breakfast plates. Skip the sugar sprinkle to keep it light.
Grapefruit nutrition facts
| Nutrient | Per 100 g | Per 1/2 grapefruit |
|---|---|---|
| Calories | 42 kcal | 52 kcal |
| Protein | 0.8 g | 1 g |
| Carbs | 10.7 g | 13.2 g |
| Fat | 0.1 g | 0.1 g |
| Fiber | 1.6 g | 2 g |
| Sugar | 6.9 g | 8.5 g |
Where the calories come from
Protein 7% Carbs 91% Fat 2%
Grapefruit calories by serving size
| Serving | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| 1 oz (28 g) | 12 kcal | 0.2 g | 3 g | 0 g |
| 50 g | 21 kcal | 0.4 g | 5.4 g | 0.1 g |
| 100 g | 42 kcal | 0.8 g | 10.7 g | 0.1 g |
| 1/2 grapefruit (123 g) | 52 kcal | 1 g | 13.2 g | 0.1 g |
| 200 g | 84 kcal | 1.6 g | 21.4 g | 0.2 g |
| 250 g | 105 kcal | 2 g | 26.8 g | 0.3 g |
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