How many calories are in Grapefruit, Raw?

A 100 g serving of Grapefruit, Raw has 30 kcal. The calories in your portion depend on its weight and how it is prepared.

How much protein is in Grapefruit, Raw?

Per 100 g there are 0.6 g of protein — about 1% of the Daily Value (50 g).

How much fat and carbs are in Grapefruit, Raw?

Per 100 g there are 0.1 g of fat and 7.5 g of carbohydrate, including 1.1 g of fiber.

What nutrients is Grapefruit, Raw high in?

Per 100 g it notably contributes to your Daily Value for: Vitamin C (41% DV).

Fruits & Berries

Grapefruit, Raw

Grapefruit, Raw belongs to the fruits & berries category of our catalog. A 100 g serving provides 30 kcal with 0.6 g of protein, 0.1 g of fat, 7.5 g of carbohydrate. Its strongest contribution is vitamin c — 41% of the Daily Value per 100 g (see the foods high in vitamin c: the richest picks guide). Related entries in the same group include Grapefruit, Raw and Grapefruit, Raw, or jump to the full food catalog.

30kcalCalories

0.6gProtein

0.1gFat

7.5gCarbs

Calorie & macro balance

Share of calories from each macronutrient (per 100 g).

30 kcal / 100 g

Protein7.1%0.6 g
Fat2.9%0.1 g
Carbs90%7.5 g

What this food is high in

Vitamin C 37 mg / 100 g

Shown as percent of the Daily Value per 100 g. Tap a ring to explore that nutrient across all foods.

Full nutrition facts (per 100 g)

Nutrient	Per 100 g	% DV*
Energy
Calories	30 kcal	2%
Macronutrients
Protein	0.6 g	1%
Total Fat	0.1 g	<1%
Saturated Fat	0 g	<1%
Carbohydrate	7.5 g	3%
Dietary Fiber	1.1 g	4%
Total Sugars	—
Minerals
Sodium	0 mg	0%
Potassium	127 mg	3%
Calcium	15 mg	1%
Iron	0.1 mg	<1%
Magnesium	8 mg	2%
Vitamins
Vitamin C	37 mg	41%
Vitamin A	13 mcg	1%
Vitamin D	0 mcg	0%
Other
Cholesterol	0 mg	0%

* Percent of the Daily Value (based on a 2,000 kcal diet).

Data source: USDA FoodData Central. Values are per 100 g of edible portion and are reference figures — they vary by variety, preparation and brand. Last updated: 2026-04-30.

Frequently asked questions

How many calories are in Grapefruit, Raw?: A 100 g serving of Grapefruit, Raw has 30 kcal. The calories in your portion depend on its weight and how it is prepared.
How much protein is in Grapefruit, Raw?: Per 100 g there are 0.6 g of protein — about 1% of the Daily Value (50 g).
How much fat and carbs are in Grapefruit, Raw?: Per 100 g there are 0.1 g of fat and 7.5 g of carbohydrate, including 1.1 g of fiber.
What nutrients is Grapefruit, Raw high in?: Per 100 g it notably contributes to your Daily Value for: Vitamin C (41% DV).

Similar foods and comparisons

Abiyuch, Raw 69 kcal 1.5 g protein Acerola Juice, Raw 23 kcal 0.4 g protein Acerola, (West Indian Cherry) 32 kcal 0.4 g protein Apple Juice, Canned Or Bottled 46 kcal 0.1 g protein Apple Juice, Canned Or Bottled 48 kcal 0.1 g protein Apple Juice, Canned Or Bottled 46 kcal 0.1 g protein

Grapefruit, Raw vs Abiyuch, Raw Grapefruit, Raw vs Acerola Juice, Raw Grapefruit, Raw vs Acerola, (West Indian Cherry) Grapefruit, Raw vs Apple Juice, Canned Or Bottled

Keep exploring

All fruits & berries Fruits & Berries highest in vitamin c All foods highest in vitamin c Foods High in Vitamin C: The Richest Picks guide Compare foods

Note. This information is provided for general reference only and is not medical advice or a diet prescription. If you have a medical condition or special dietary needs, consult a physician or a registered dietitian.