TempoLife › Calorie database › Fruit › Rhubarb
Rhubarb calories and nutrition facts
100 grams of rhubarb contains 21 calories, with 0.9 g of protein, 4.5 g of carbohydrate and 0.2 g of fat. It provides 1.8 g of fiber and 1.1 g of sugar per 100 g. Most of its calories come from carbohydrate.
Where the calories come from
Protein 15% Carbs 77% Fat 8%
How rhubarb compares
Per 100 g, against the closest fruit in this database.
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Rhubarb | 21 kcal | 0.9 g | 4.5 g | 0.2 g |
| Frozen rhubarb | 21 kcal | 0.6 g | 5.1 g | 0.1 g |
| Acerola juice, raw | 23 kcal | 0.4 g | 4.8 g | 0.3 g |
| Concord lemon juice | 24 kcal | 0.4 g | 5.4 g | 0.1 g |
| Lime juice, canned | 21 kcal | 0.3 g | 6.7 g | 0.2 g |
Nutrition facts for rhubarb
| Nutrient | Per 100 g |
|---|---|
| Calories | 21 kcal |
| Protein | 0.9 g |
| Carbohydrate | 4.5 g |
| Fat | 0.2 g |
| Fiber | 1.8 g |
| Sugar | 1.1 g |
| Saturated fat | 0.1 g |
| Salt | 0 g |
Print an EU-style nutrition label for rhubarb — per 100 g and per portion.
Vitamins and minerals in rhubarb
Per 100 g, highest share of the Daily Value first. %DV = the adult Daily Value (FDA reference). USDA reference data — not medical advice.
| Nutrient | Per 100 g | %DV |
|---|---|---|
| Vitamin K | 29.3 µg | 24% |
| Manganese | 0.2 mg | 9% |
| Vitamin C | 8 mg | 9% |
| Calcium | 86 mg | 7% |
| Potassium | 288 mg | 6% |
| Magnesium | 12 mg | 3% |
| Copper | 0.02 mg | 2% |
| Selenium | 1.1 µg | 2% |
See the richest foods per nutrient in the nutrient toplists.
Calories in common rhubarb servings
How many calories in a portion of rhubarb — reference serving estimates with the gram weight shown.
| Serving | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| 1 stalk (51 g) | 11 kcal | 0 g | 2 g | 0 g |
| 100 g (100 g) | 21 kcal | 1 g | 5 g | 0 g |
| 1 cup, diced (122 g) | 26 kcal | 1 g | 5 g | 0 g |
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Frequently asked questions
How many calories are in rhubarb?
Rhubarb has 21 calories per 100 grams.
How much protein is in rhubarb?
Rhubarb contains 0.9 g of protein per 100 g.
How much sugar is in rhubarb?
Rhubarb contains 1.1 g of sugar per 100 g. Nutrition values are reference figures; brands and preparation change the real amount, so weigh and log what you actually eat.
Is rhubarb low in carbs?
Yes by the numbers: Rhubarb has 4.5 g of carbohydrate per 100 g. People following low-carb or keto approaches often include foods in this range — portion size and your own plan still decide.
Is rhubarb low in calories?
Compared with other fruit it is: 21 kcal per 100 g versus a category median of 60 kcal.
Are these rhubarb calories exact?
No. These are per-100-gram reference values from the USDA FoodData Central SR Legacy source family. Portion size, ripeness, cut and cooking method all change the real number, so treat them as an estimate and log your own portion.
Related foods
Source: USDA FoodData Central SR Legacy #167758 (2018-04 release). US Government work — public domain in the United States. Reference values per 100 g edible portion.
