Calories in Grapefruit
52 kcal per 1/2 fruit (123 g) ·42 kcal per 100 g
A serving of grapefruit (1/2 fruit, 123 g) has 52 calories, with 1 g protein, 13.2 g carbohydrate, 0.1 g fat and 2 g fibre. 100 g has 42 calories.
Nutrition facts
| Nutrient | Per 100 g | Per serving |
|---|---|---|
| Calories | 42 kcal | 52 kcal |
| Protein | 0.8 g | 1 g |
| Carbohydrate | 10.7 g | 13.2 g |
| Fat | 0.1 g | 0.1 g |
| Fibre | 1.6 g | 2 g |
Serving shown: 1/2 fruit (123 g). Values are reference estimates.
Calorie split
- Protein
- 7%
- Carbs
- 91%
- Fat
- 2%
Calories per serving
- 1/2 fruit (123 g)52 kcal
Common questions
- How many calories are in grapefruit?
- A serving of grapefruit (1/2 fruit, 123 g) has 52 calories, with 1 g protein, 13.2 g carbohydrate, 0.1 g fat and 2 g fibre. 100 g has 42 calories.
- How many calories are in 100 g of grapefruit?
- 100 g of grapefruit has 42 calories: 0.8 g protein, 10.7 g carbohydrate, 0.1 g fat and 1.6 g fibre.
- How much protein is in grapefruit?
- There are 1 g of protein in 1/2 fruit (123 g) (0.8 g per 100 g). 7% of its calories come from protein, so it's mostly carbohydrate.
Values per 100 g come from USDA FoodData Central and standard food-composition tables; per-portion figures are calculated from them. Brands and recipes vary, so check the label when you have one.