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How many calories in a grapefruit?

52 calper 1/2 medium (123 g)

A serving of grapefruit — 1/2 medium (123 g) — has about 52 calories, with 1 g protein, 13.2 g carbs and 0.1 g fat, plus 2 g fiber.

Where those calories come from:

Protein 7%Carbs 92%Fat 2%
Grapefruit nutrition (raw, pink)
NutrientPer serving
(1/2 medium (123 g))
Per 100 g
Calories52 cal42 cal
Protein1 g0.8 g
Carbs13.2 g10.7 g
  of which sugars8.5 g6.9 g
Fat0.1 g0.1 g
Fiber2 g1.6 g

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Grapefruit calories — FAQ

How many calories are in a grapefruit?

1/2 medium (123 g) of grapefruit contains about 52 calories. That's roughly 42 calories per 100 grams.

How much protein is in a grapefruit?

One serving (1/2 medium (123 g)) has about 1 g of protein, 13.2 g of carbs and 0.1 g of fat.

Is grapefruit good for weight loss?

Grapefruit can fit a weight-loss plan when it's logged and kept within your calorie budget. At 52 calories per serving, the key is tracking your total daily intake — that's what Nourish makes effortless.

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