Calories in Grapefruit, raw

Generic food Raw Fruits

Grapefruit, raw contains 32 kcal per 100 g. A typical serving of 0.5 medium, approx 4" dia (128 g) provides about 41 kcal.

Roughly 90% of its calories come from carbohydrates, with 7% from protein and 3% from fat (estimated with general energy factors).

That is less energy than the typical item in fruits and fruit juices on FoodFactly, where the median is 60 kcal per 100 g across 386 foods.

100 g provides 38% of the Daily Value for Vitamin C.

These values are for the raw food. Cooking changes the water content and some nutrients, so cooked versions are listed separately below.

The data comes from USDA FoodData Central: SR Legacy.

32kcal per 100 g
0.63 gprotein
8.1 gcarbohydrates
0.1 gfat
41kcal in 0.5 medium, approx 4" dia (128 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories C 32 kcal
Total fat ? 0.1 g 0.1%
Saturated fat ? 0.014 g 0.1%
Trans fat Z 0 g
Cholesterol Z 0 mg 0%
Sodium ? 0 mg 0%
Total carbohydrates C 8.1 g 3%
Dietary fiber ? 1.1 g 4%
Total sugars M 7 g
Protein ? 0.63 g 1%
Vitamin A C 46 µg5%
Vitamin C ? 34.4 mg38%
Vitamin D Z 0 µg0%
Vitamin E C 0.13 mg0.9%
Vitamin K C 0 µg0%
Thiamin (B1) ? 0.036 mg3%
Riboflavin (B2) ? 0.02 mg2%
Niacin (B3) ? 0.25 mg2%
Pantothenic acid (B5) ? 0.28 mg6%
Vitamin B6 ? 0.042 mg2%
Folate (B9) C 10 µg3%
Vitamin B12 Z 0 µg0%
Choline I 7.7 mg1%
Calcium ? 12 mg0.9%
Iron ? 0.09 mg0.5%
Magnesium ? 8 mg2%
Phosphorus ? 8 mg0.6%
Potassium ? 139 mg3%
Zinc ? 0.07 mg0.6%
Copper ? 0.047 mg5%
Manganese ? 0.012 mg0.5%
Selenium C 0.3 µg0.5%
Fluoride M 1 µg

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein: 7%Carbohydrates: 90%Fat: 3%32kcal / 100 g
  • Protein 7%
  • Carbohydrates 90%
  • Fat 3%

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Vitamins and minerals, % Daily Value per 100 g

Vitamin C38%Pantothenic acid (B5)6%Copper5%Vitamin A5%Thiamin (B1)3%Potassium3%Folate (B9)3%Vitamin B62%Magnesium2%Niacin (B3)2%

Nutritional insights

  • Protein0.63 gabove the median for fruits and fruit juices (median 0.61 g)
  • Fiber1.1 gbelow the median for fruits and fruit juices (median 1.6 g)
  • Sugars7 gin the lowest quarter of fruits and fruit juices (median 11 g)
  • Fat0.1 gin the lowest quarter of fruits and fruit juices (median 0.19 g)
  • Saturated fat0.014 gbelow the median for fruits and fruit juices (median 0.021 g)
  • Sodium0 mgin the lowest quarter of fruits and fruit juices (median 3 mg)
  • Protein per 100 kcal2 gprotein density, useful for comparing foods with different calorie levels
  • Water90.9 gwater per 100 g, which largely explains differences between raw, cooked and dried forms

Full nutrient profile

Fats and cholesterol (2)
Monounsaturated fat ?0.013 g
Polyunsaturated fat ?0.024 g
Amino acids (18)
Tryptophan M0.006 g
Threonine M0.011 g
Isoleucine M0.007 g
Leucine M0.012 g
Lysine M0.016 g
Methionine M0.006 g
Cystine M0.006 g
Phenylalanine M0.038 g
Tyrosine M0.006 g
Valine M0.012 g
Arginine M0.07 g
Histidine M0.006 g
Alanine M0.02 g
Aspartic acid M0.11 g
Glutamic acid M0.16 g
Glycine M0.012 g
Proline M0.051 g
Serine M0.022 g
Individual fatty acids (19)
EPA (omega-3, 20:5 n-3) ?0 g
DHA (omega-3, 22:6 n-3) ?0 g
Linoleic acid (omega-6, 18:2) ?0.019 g
SFA 4:0 ?0 g
SFA 6:0 ?0 g
SFA 8:0 ?0 g
SFA 10:0 ?0 g
SFA 12:0 ?0 g
SFA 14:0 ?0 g
SFA 16:0 ?0.012 g
SFA 18:0 ?0.001 g
MUFA 18:1 ?0.012 g
PUFA 18:3 ?0.005 g
PUFA 20:4 ?0 g
MUFA 16:1 ?0.001 g
PUFA 18:4 ?0 g
MUFA 20:1 ?0 g
MUFA 22:1 ?0 g
PUFA 22:5 n-3 (DPA) ?0 g
Carotenoids (7)
Beta-carotene C552 µg
Lycopene C1,135 µg
Lutein + zeaxanthin C6 µg
Retinol Z0 µg
Carotene, alpha C4 µg
Vitamin D (D2 + D3), International Units Z0 IU
Cryptoxanthin, beta C6 µg
Other components (11)
Water ?90.9 g
Alcohol ?0 g
Caffeine Z0 mg
Ash ?0.31 g
Theobromine Z0 mg
Energy ?134 kJ
Vitamin A, IU C927 IU
Folic acid Z0 µg
Folate, food ?10 µg
Vitamin E, added Z0 mg
Vitamin B-12, added Z0 µg

Other forms of Grapefruit

Raw, cooked, dried and processed versions are separate records with their own measured values.

FoodCaloriesProteinCarbsFat
Grapefruit, raw, white, Florida Raw 32 0.63 g 8.2 g 0.1 g
Grapefruit, sections, canned, water pack, solids and liquids Canned 36 0.58 g 9.2 g 0.1 g
Grapefruit, sections, canned, juice pack, solids and liquids Canned 37 0.7 g 9.2 g 0.09 g
Grapefruit, sections, canned, light syrup pack, solids and liquids Canned 60 0.56 g 15.4 g 0.1 g
Grapefruit, raw, pink and red, all areas Raw 42 0.77 g 10.7 g 0.14 g
Grapefruit, raw, pink and red, California and Arizona Raw 37 0.5 g 9.7 g 0.1 g
Grapefruit, raw, pink and red, Florida Raw 30 0.55 g 7.5 g 0.1 g
Grapefruit, raw, white, all areas Raw 33 0.69 g 8.4 g 0.1 g
Grapefruit, raw, white, California Raw 37 0.88 g 9.1 g 0.1 g
Grapefruit, raw Raw 42 0.77 g 10.7 g 0.14 g
Grapefruit, canned Canned 36 0.58 g 9.2 g 0.1 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Foods with a similar nutritional profile

FoodCaloriesProteinCarbsFat
Watermelon, raw Raw 30 0.61 g 7.6 g 0.15 g
Peach, yellow, raw Raw 39 0.91 g 9.5 g 0.25 g
Papaya, raw Raw 43 0.47 g 10.8 g 0.26 g
Orange juice, raw Raw 45 0.7 g 10.4 g 0.2 g
Strawberries, raw Raw 32 0.67 g 7.7 g 0.3 g
Melons, cantaloupe, raw Raw 34 0.84 g 8.2 g 0.19 g
Cantaloupe, raw Raw 38 0.82 g 8.2 g 0.18 g
Melons, honeydew, raw Raw 36 0.54 g 9.1 g 0.14 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Compare: Orange, raw vs Grapefruit, rawOrange juice, raw vs Grapefruit, rawGrapefruit, raw vs Peach, yellow, rawStrawberries, raw vs Grapefruit, rawWatermelon, raw vs Grapefruit, raw

Frequently asked questions

How many calories are in raw grapefruit?

100 g of raw grapefruit has 32 kcal. 0.5 medium, approx 4" dia (128 g): about 41 kcal. 0.5 large, approx 4-1/2" dia (166 g): about 53 kcal. 1 cup sections, with juice (230 g): about 74 kcal.

How much protein is in raw grapefruit?

Raw grapefruit contains 0.63 g of protein per 100 g (1% of the 50 g Daily Value), or 0.81 g in 0.5 medium, approx 4" dia (128 g). About 7% of its calories come from protein. Compared with other fruits and fruit juices, that is above the median (median 0.61 g).

How many carbs are in raw grapefruit?

Raw grapefruit has 8.1 g of total carbohydrates per 100 g, including 1.1 g of fiber and 7 g of sugars.

How much fat is in raw grapefruit?

Raw grapefruit contains 0.1 g of fat per 100 g, of which 0.014 g is saturated (0.1% of the Daily Value).

What vitamins and minerals does raw grapefruit contain?

Per 100 g, the most notable amounts relative to the Daily Value are Vitamin C (38% DV). The full list is in the vitamins and minerals table above.

How much sodium is in raw grapefruit?

100 g contains 0 mg of sodium, 0% of the 2,300 mg Daily Value.

Does grapefruit have the same nutrition raw and canned?

No. Per 100 g, grapefruit, raw has 32 kcal, while grapefruit, sections, canned, water pack, solids and liquids has 36 kcal. Processing changes the water content, so always use the record that matches how you weigh the food.

Where does this nutrition data come from?

From USDA FoodData Central: SR Legacy, record dated April 1, 2019. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.

Source of the nutrition information

  • USDA FoodData Central: SR Legacy, record 173033. License: CC0 1.0 (U.S. public domain). Source record dated April 1, 2019. Imported November 6, 2026.

Last updated: . Source description: "Grapefruit, raw, pink and red and white, all areas". Data quality score: 100/100 (how it is calculated).

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.