Grapefruit — Calories and Macros

Pink grapefruit half. Interacts with many medications — check with your doctor.

52cal

per 1/2 medium (~123g)
3% of a 2,000 cal day

Protein

0.9g

Carbs

13g

Fat

0.2g

Fiber

2g

Sugar

8.5g

Per 100 grams

Standardized to 100g so you can compare across foods.

Calories

42

Protein

0.7g

Carbs

10.6g

Fat

0.2g

Fiber

1.6g

Sugar

6.9g

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Related foods

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Orange

62 cal · 1.2g protein

Fruit

Lemon

17 cal · 0.6g protein

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Lime

20 cal · 0.5g protein

Nutrition values approximated from USDA FoodData Central. Estimates for tracking, not medical reference. Updated 2026-05-21.