Food · Fruits and Fruit Juices
Grapefruit nutrition facts
A typical portion of grapefruit (1 half; 154 g, raw (Survey)) has 60 calories and 1g of protein (USDA FoodData Central). USDA lists 10 descriptions of it: per 100 g they range from 30 calories (raw, pink and red, Florida) to 60 (sections, canned, light syrup pack, solids and liquids).
Nutrition Facts
* The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. Protein % DV here is not corrected for protein quality.
USDA values per 100 g for Grapefruit, raw, scaled to the portion. Check the USDA record.
- Protein per 100 g
- 0.8g
- more than 13% of 8,218 USDA reference foods
- Calories per 100 g
- 42
- more than 11% of reference foods
- Sodium per 100 g
- 0mg
- more than 0% of reference foods
1 half weighs 154 g in USDA's record for Grapefruit, raw (FDC 2709165).
Where the calories come from: 91% carbohydrate, 3% fat and 7% protein (4 calories a gram of protein or carbohydrate, 9 of fat).
Also rich in
- Vitamin C48 mg in 1 half (154 g), 53% of the Daily Value
Source: USDA FoodData Central (FDC 2709165), every nutrient the record reports; FDA Daily Values, 21 CFR 101.9.
Every form of grapefruit USDA describes
Light syrup pack has the most calories per 100 g (60); the fewest: Florida (30)
| USDA description | Calories | Protein | Fat | Sodium |
|---|---|---|---|---|
| Grapefruit, raw (Survey)Same values: Grapefruit, raw, pink and red, all areas | 42 | 0.8 g | 0.1 g | 0 mg |
| Grapefruit, sections, canned, juice pack, solids and liquids | 37 | 0.7 g | 0.1 g | 7 mg |
| Grapefruit, raw, pink and red and white, all areas | 32 | 0.6 g | 0.1 g | 0 mg |
| Grapefruit, sections, canned, water pack, solids and liquidsSame values: Grapefruit, canned | 36 | 0.6 g | 0.1 g | 2 mg |
| Grapefruit, sections, canned, light syrup pack, solids and liquids | 60 | 0.6 g | 0.1 g | 2 mg |
| Grapefruit, raw, pink and red, Florida | 30 | 0.6 g | 0.1 g | 0 mg |
| Grapefruit, raw, pink and red, California and Arizona | 37 | 0.5 g | 0.1 g | 1 mg |
| Grapefruit, raw (Foundation) | n/a | n/a | 0 mg |
Every nutrient in this record (65)
The portion is 1 half (154 g); % DV is for that portion.
Energy, macronutrients and sugars (12)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Protein | 1.19 g | 0.77 g | 2% |
| Total lipid (fat) | 0.22 g | 0.14 g | 0% |
| Carbohydrate, by difference | 16.4 g | 10.7 g | 6% |
| Energy | 64.7 kcal | 42.0 kcal | |
| Alcohol, ethyl | 0 g | 0 g | |
| Water | 136 g | 88.1 g | |
| Total Sugars | 10.6 g | 6.89 g | |
| Fiber, total dietary | 2.46 g | 1.60 g | 9% |
| Cholesterol | 0 mg | 0 mg | 0% |
| Fatty acids, total saturated | 0.032 g | 0.021 g | 0% |
| Fatty acids, total monounsaturated | 0.031 g | 0.020 g | |
| Fatty acids, total polyunsaturated | 0.055 g | 0.036 g |
Minerals (9)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Calcium, Ca | 33.9 mg | 22.0 mg | 3% |
| Iron, Fe | 0.12 mg | 0.080 mg | 1% |
| Magnesium, Mg | 13.9 mg | 9.00 mg | 3% |
| Phosphorus, P | 27.7 mg | 18.0 mg | 2% |
| Potassium, K | 208 mg | 135 mg | 4% |
| Sodium, Na | 0 mg | 0 mg | 0% |
| Zinc, Zn | 0.11 mg | 0.070 mg | 1% |
| Copper, Cu | 0.049 mg | 0.032 mg | 5% |
| Selenium, Se | 0.15 µg | 0.10 µg | 0% |
Vitamins (23)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Retinol | 0 µg | 0 µg | |
| Vitamin A, RAE | 89.3 µg | 58.0 µg | 10% |
| Carotene, beta | 1,056 µg | 686 µg | |
| Carotene, alpha | 4.62 µg | 3.00 µg | |
| Vitamin E (alpha-tocopherol) | 0.20 mg | 0.13 mg | 1% |
| Vitamin D (D2 + D3) | 0 µg | 0 µg | 0% |
| Cryptoxanthin, beta | 9.24 µg | 6.00 µg | |
| Lycopene | 2,185 µg | 1,419 µg | |
| Lutein + zeaxanthin | 7.70 µg | 5.00 µg | |
| Vitamin C, total ascorbic acid | 48.0 mg | 31.2 mg | 53% |
| Thiamin | 0.066 mg | 0.043 mg | 6% |
| Riboflavin | 0.048 mg | 0.031 mg | 4% |
| Niacin | 0.31 mg | 0.20 mg | 2% |
| Vitamin B-6 | 0.082 mg | 0.053 mg | 5% |
| Folate, total | 20.0 µg | 13.0 µg | |
| Vitamin B-12 | 0 µg | 0 µg | 0% |
| Choline, total | 11.9 mg | 7.70 mg | 2% |
| Vitamin K (phylloquinone) | 0 µg | 0 µg | 0% |
| Folic acid | 0 µg | 0 µg | |
| Folate, food | 20.0 µg | 13.0 µg | |
| Folate, DFE | 20.0 µg | 13.0 µg | 5% |
| Vitamin E, added | 0 mg | 0 mg | |
| Vitamin B-12, added | 0 µg | 0 µg |
Fatty acids (19)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| SFA 4:0 | 0 g | 0 g | |
| SFA 6:0 | 0 g | 0 g | |
| SFA 8:0 | 0 g | 0 g | |
| SFA 10:0 | 0 g | 0 g | |
| SFA 12:0 | 0 g | 0 g | |
| SFA 14:0 | 0 g | 0 g | |
| SFA 16:0 | 0.028 g | 0.018 g | |
| SFA 18:0 | 0.0031 g | 0.0020 g | |
| MUFA 18:1 | 0.028 g | 0.018 g | |
| PUFA 18:2 | 0.045 g | 0.029 g | |
| PUFA 18:3 | 0.012 g | 0.0080 g | |
| PUFA 20:4 | 0 g | 0 g | |
| PUFA 22:6 n-3 (DHA) | 0 g | 0 g | |
| MUFA 16:1 | 0.0031 g | 0.0020 g | |
| PUFA 18:4 | 0 g | 0 g | |
| MUFA 20:1 | 0 g | 0 g | |
| PUFA 20:5 n-3 (EPA) | 0 g | 0 g | |
| MUFA 22:1 | 0 g | 0 g | |
| PUFA 22:5 n-3 (DPA) | 0 g | 0 g |
Source: USDA FoodData Central, FDC 2709165: every value the record reports, per 100 g as USDA gives it and scaled to the portion; Daily Values: 21 CFR 101.9.
Source: USDA FoodData Central (SR Legacy, Foundation Foods and Survey foods), April 30, 2026 release.
Questions
How many calories are in grapefruit?
60 in 1 half (154 g) of raw (Survey); 30 to 60 per 100 g across USDA's descriptions.
How much protein is in grapefruit?
1g in 1 half; 0.8 g per 100 g.
How much sodium is in grapefruit?
0mg in 1 half; 0 mg per 100 g. Salt added in cooking changes it: USDA lists salted and unsalted forms separately where it measured both.
Sources for this page
- USDA FoodData Central
- the food and product records, April 30, 2026 release. fdc.nal.usda.gov
- FoodData Central documentation
- what each data type is and how branded records are submitted. fdc.nal.usda.gov
- USDA Food and Nutrient Database for Dietary Studies
- the survey foods and their portions. ars.usda.gov
- 21 CFR 101.9, Nutrition labeling of food
- the label format, rounding and Daily Values. ecfr.gov
- FDA, How to Understand and Use the Nutrition Facts Label
- the 5% and 20% Daily Value rule. fda.gov