Food · Fruits and Fruit Juices
Rhubarb nutrition facts
A typical portion of rhubarb (1 cup, diced; 122 g, raw) has 25 calories and 1g of protein (USDA FoodData Central). USDA lists 5 descriptions of it: per 100 g they range from 21 calories (raw) to 116 (frozen, cooked, with sugar).
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 Rhubarb, raw, scaled to the portion. Check the USDA record.
- Protein per 100 g
- 0.9g
- more than 15% of 8,218 USDA reference foods
- Calories per 100 g
- 21
- more than 4% of reference foods
- Sodium per 100 g
- 4mg
- more than 10% of reference foods
1 cup, diced weighs 122 g in USDA's record for Rhubarb, raw (FDC 167758); across 2 records of rhubarb USDA weighs it at 122 to 137 g, so a linked record can show a different gram weight for the same measure.
Where the calories come from: 77% carbohydrate, 8% fat and 15% protein (4 calories a gram of protein or carbohydrate, 9 of fat).
Also rich in
Source: USDA FoodData Central (FDC 167758), every nutrient the record reports; FDA Daily Values, 21 CFR 101.9.
Every form of rhubarb USDA describes
Cooked, with sugar has the most calories per 100 g (116); the fewest: Raw (21)
| USDA description | Calories | Protein | Fat | Sodium |
|---|---|---|---|---|
| Rhubarb, raw | 21 | 0.9 g | 0.2 g | 4 mg |
| Rhubarb | 73 | 0.8 g | 0.2 g | 4 mg |
| Rhubarb, frozen, uncooked | 21 | 0.6 g | 0.1 g | 2 mg |
| Rhubarb, frozen, cooked, with sugar | 116 | 0.4 g | 0.1 g | 1 mg |
| Rhubarb, stalk, raw | n/a | n/a | 0 mg |
Every nutrient in this record (69)
The portion is 1 cup, diced (122 g); % DV is for that portion.
Energy, macronutrients and sugars (14)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Protein | 1.10 g | 0.90 g | 2% |
| Total lipid (fat) | 0.24 g | 0.20 g | 0% |
| Carbohydrate, by difference | 5.54 g | 4.54 g | 2% |
| Ash | 0.93 g | 0.76 g | |
| Energy | 25.6 kcal | 21.0 kcal | |
| Alcohol, ethyl | 0 g | 0 g | |
| Water | 114 g | 93.6 g | |
| Total Sugars | 1.34 g | 1.10 g | |
| Fiber, total dietary | 2.20 g | 1.80 g | 8% |
| Cholesterol | 0 mg | 0 mg | 0% |
| Fatty acids, total trans | 0 g | 0 g | |
| Fatty acids, total saturated | 0.065 g | 0.053 g | 0% |
| Fatty acids, total monounsaturated | 0.048 g | 0.039 g | |
| Fatty acids, total polyunsaturated | 0.12 g | 0.099 g |
Minerals (10)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Calcium, Ca | 105 mg | 86.0 mg | 8% |
| Iron, Fe | 0.27 mg | 0.22 mg | 1% |
| Magnesium, Mg | 14.6 mg | 12.0 mg | 3% |
| Phosphorus, P | 17.1 mg | 14.0 mg | 1% |
| Potassium, K | 351 mg | 288 mg | 7% |
| Sodium, Na | 4.88 mg | 4.00 mg | 0% |
| Zinc, Zn | 0.12 mg | 0.10 mg | 1% |
| Copper, Cu | 0.026 mg | 0.021 mg | 3% |
| Manganese, Mn | 0.24 mg | 0.20 mg | 10% |
| Selenium, Se | 1.34 µg | 1.10 µg | 2% |
Vitamins (24)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Retinol | 0 µg | 0 µg | |
| Vitamin A, RAE | 6.10 µg | 5.00 µg | 1% |
| Carotene, beta | 74.4 µg | 61.0 µg | |
| Carotene, alpha | 0 µg | 0 µg | |
| Vitamin E (alpha-tocopherol) | 0.33 mg | 0.27 mg | 2% |
| Vitamin D (D2 + D3) | 0 µg | 0 µg | 0% |
| Cryptoxanthin, beta | 0 µg | 0 µg | |
| Lycopene | 0 µg | 0 µg | |
| Lutein + zeaxanthin | 207 µg | 170 µg | |
| Vitamin C, total ascorbic acid | 9.76 mg | 8.00 mg | 11% |
| Thiamin | 0.024 mg | 0.020 mg | 2% |
| Riboflavin | 0.037 mg | 0.030 mg | 3% |
| Niacin | 0.37 mg | 0.30 mg | 2% |
| Pantothenic acid | 0.10 mg | 0.085 mg | |
| Vitamin B-6 | 0.029 mg | 0.024 mg | 2% |
| Folate, total | 8.54 µg | 7.00 µg | |
| Vitamin B-12 | 0 µg | 0 µg | 0% |
| Choline, total | 7.44 mg | 6.10 mg | 1% |
| Vitamin K (phylloquinone) | 35.7 µg | 29.3 µg | 30% |
| Folic acid | 0 µg | 0 µg | |
| Folate, food | 8.54 µg | 7.00 µg | |
| Folate, DFE | 8.54 µg | 7.00 µg | 2% |
| 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 | 0.0012 g | 0.0010 g | |
| SFA 16:0 | 0.056 g | 0.046 g | |
| SFA 18:0 | 0.0049 g | 0.0040 g | |
| MUFA 18:1 | 0.045 g | 0.037 g | |
| PUFA 18:2 | 0.12 g | 0.099 g | |
| PUFA 18:3 | 0 g | 0 g | |
| PUFA 20:4 | 0 g | 0 g | |
| PUFA 22:6 n-3 (DHA) | 0 g | 0 g | |
| MUFA 16:1 | 0.0012 g | 0.0010 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 167758: 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 rhubarb?
25 in 1 cup, diced (122 g) of raw; 21 to 116 per 100 g across USDA's descriptions.
How much protein is in rhubarb?
1g in 1 cup, diced; 0.9 g per 100 g.
How much sodium is in rhubarb?
0mg in 1 cup, diced; 4 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