How many calories are in grapefruit?
1/2 grapefruit (123 g) has 52 kcal and 1 g of protein. Per 100 g: 42 kcal.
Values for: pink/red, raw
Values are for the raw food. Cooking changes the weight (water is lost or absorbed), so always compare in the same state.
1/2 grapefruit (123 g)
52kcal
100 g
42kcal
Nutrients per 100 g
- Protein
- 0.8 g
- Carbs
- 10.7 g
- Fat
- 0.1 g
- Fiber
- 1.6 g
- Sugars
- 6.9 g
Is it a source of protein? No: only 8% of its calories come from protein, and EU labelling needs at least 12% for “source of protein” (Regulation (EC) No 1924/2006).
Servings and amounts
| Amount | kcal | Prot. | Carbs | Fat |
|---|---|---|---|---|
| 1/2 grapefruit (123 g) | 52 | 1 | 13.2 | 0.1 |
| 50 g | 21 | 0.4 | 5.4 | 0.1 |
| 100 g | 42 | 0.8 | 10.7 | 0.1 |
| 150 g | 63 | 1.2 | 16.1 | 0.2 |
| 200 g | 84 | 1.6 | 21.4 | 0.2 |
Household servings are the weights given by the same source; the rest is scaled from 100 g. Weigh something else and the app does the maths.
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Frequently asked questions
How many calories are in grapefruit?
1/2 grapefruit (123 g) has 52 kcal and 1 g of protein. Per 100 g: 42 kcal. Values for: pink/red, raw.
How much protein is in grapefruit?
1/2 grapefruit (123 g): 1 g of protein. Per 100 g, 0.8 g, with 10.7 g of carbs and 0.1 g of fat. Is it a source of protein? No: only 8% of its calories come from protein, and EU labelling needs at least 12% for “source of protein” (Regulation (EC) No 1924/2006).
What are the macros of grapefruit?
Per 100 g: 0.8 g of protein, 10.7 g of carbs (6.9 g of sugars), 0.1 g of fat and 1.6 g of fiber.
Are these values raw or cooked?
Values are for the raw food. They are for grapefruit: pink/red, raw. Cooking changes the weight (water is lost or absorbed), so always compare in the same state.
Is grapefruit fattening?
No single food makes you gain weight on its own: the day’s total does. 1/2 grapefruit (123 g): 52 kcal, 3% of the 2,000 kcal used as the reference on food labels.
How do I know how much is on my plate without weighing it?
Eyeballing it is where manual counting breaks. With a photo, Renzy estimates the amount and the calories, and you correct whatever needs it.
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Source
USDA FoodData Central (SR Legacy), entry 174673
A specific product varies with variety, brand and cooking. If yours has a label, the label wins.
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