Food · Fruits and Fruit Juices
White grapefruit nutrition facts
A typical portion of white grapefruit (1/2 fruit; 118 g, raw, Florida) has 40 calories and less than 1g of protein (USDA FoodData Central). USDA lists 3 descriptions of it: per 100 g they range from 32 calories (raw, Florida) to 37 (raw, California).
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, white, Florida, scaled to the portion. Check the USDA record.
- Protein per 100 g
- 0.6g
- more than 12% of 8,218 USDA reference foods
- Calories per 100 g
- 32
- more than 8% of reference foods
- Sodium per 100 g
- 0mg
- more than 0% of reference foods
1/2 fruit weighs 118 g in USDA's record for Grapefruit, raw, white, Florida (FDC 173034).
Where the calories come from: 91% carbohydrate, 2% fat and 7% protein (4 calories a gram of protein or carbohydrate, 9 of fat).
Also rich in
- Vitamin C44 mg in 1/2 fruit (118 g), 49% of the Daily Value
Source: USDA FoodData Central (FDC 173034), every nutrient the record reports; FDA Daily Values, 21 CFR 101.9.
Every form of white grapefruit USDA describes
Raw, California has the most calories per 100 g (37); the fewest: Raw, Florida (32)
| USDA description | Calories | Protein | Fat | Sodium |
|---|---|---|---|---|
| Grapefruit, raw, white, Florida | 32 | 0.6 g | 0.1 g | 0 mg |
| Grapefruit, raw, white, California | 37 | 0.9 g | 0.1 g | 0 mg |
| Grapefruit, raw, white, all areas | 33 | 0.7 g | 0.1 g | 0 mg |
Every nutrient in this record (58)
The portion is 1/2 fruit (118 g); % DV is for that portion.
Energy, macronutrients and sugars (11)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Protein | 0.74 g | 0.63 g | 1% |
| Total lipid (fat) | 0.12 g | 0.10 g | 0% |
| Carbohydrate, by difference | 9.66 g | 8.19 g | 4% |
| Ash | 0.38 g | 0.32 g | |
| Energy | 37.8 kcal | 32.0 kcal | |
| Water | 107 g | 90.8 g | |
| Cholesterol | 0 mg | 0 mg | 0% |
| Fatty acids, total trans | 0 g | 0 g | |
| Fatty acids, total saturated | 0.017 g | 0.014 g | 0% |
| Fatty acids, total monounsaturated | 0.015 g | 0.013 g | |
| Fatty acids, total polyunsaturated | 0.028 g | 0.024 g |
Minerals (9)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Calcium, Ca | 17.7 mg | 15.0 mg | 1% |
| Iron, Fe | 0.059 mg | 0.050 mg | 0% |
| Magnesium, Mg | 10.6 mg | 9.00 mg | 3% |
| Phosphorus, P | 8.26 mg | 7.00 mg | 1% |
| Potassium, K | 177 mg | 150 mg | 4% |
| Sodium, Na | 0 mg | 0 mg | 0% |
| Zinc, Zn | 0.083 mg | 0.070 mg | 1% |
| Copper, Cu | 0.066 mg | 0.056 mg | 7% |
| Manganese, Mn | 0.013 mg | 0.011 mg | 1% |
Vitamins (14)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Retinol | 0 µg | 0 µg | |
| Vitamin A, RAE | 0 µg | 0 µg | 0% |
| Vitamin D (D2 + D3) | 0 µg | 0 µg | 0% |
| Vitamin C, total ascorbic acid | 43.7 mg | 37.0 mg | 49% |
| Thiamin | 0.047 mg | 0.040 mg | 4% |
| Riboflavin | 0.024 mg | 0.020 mg | 2% |
| Niacin | 0.24 mg | 0.20 mg | 1% |
| Pantothenic acid | 0.33 mg | 0.28 mg | |
| Vitamin B-6 | 0.051 mg | 0.043 mg | 3% |
| Folate, total | 10.6 µg | 9.00 µg | |
| Vitamin B-12 | 0 µg | 0 µg | 0% |
| Folic acid | 0 µg | 0 µg | |
| Folate, food | 10.6 µg | 9.00 µg | |
| Folate, DFE | 10.6 µg | 9.00 µg | 3% |
Amino acids (18)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Tryptophan | 0.0071 g | 0.0060 g | |
| Threonine | 0.013 g | 0.011 g | |
| Isoleucine | 0.0083 g | 0.0070 g | |
| Leucine | 0.014 g | 0.012 g | |
| Lysine | 0.019 g | 0.016 g | |
| Methionine | 0.0071 g | 0.0060 g | |
| Cystine | 0.0071 g | 0.0060 g | |
| Phenylalanine | 0.045 g | 0.038 g | |
| Tyrosine | 0.0071 g | 0.0060 g | |
| Valine | 0.014 g | 0.012 g | |
| Arginine | 0.083 g | 0.070 g | |
| Histidine | 0.0071 g | 0.0060 g | |
| Alanine | 0.024 g | 0.020 g | |
| Aspartic acid | 0.13 g | 0.11 g | |
| Glutamic acid | 0.19 g | 0.16 g | |
| Glycine | 0.014 g | 0.012 g | |
| Proline | 0.060 g | 0.051 g | |
| Serine | 0.026 g | 0.022 g |
Fatty acids (6)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| SFA 16:0 | 0.014 g | 0.012 g | |
| SFA 18:0 | 0.0012 g | 0.0010 g | |
| MUFA 18:1 | 0.014 g | 0.012 g | |
| PUFA 18:2 | 0.022 g | 0.019 g | |
| PUFA 18:3 | 0.0059 g | 0.0050 g | |
| MUFA 16:1 | 0.0012 g | 0.0010 g |
Source: USDA FoodData Central, FDC 173034: 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 white grapefruit?
40 in 1/2 fruit (118 g) of raw, Florida; 32 to 37 per 100 g across USDA's descriptions.
How much protein is in white grapefruit?
less than 1g in 1/2 fruit; 0.6 g per 100 g.
How much sodium is in white grapefruit?
0mg in 1/2 fruit; 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