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How Many Calories in Rhubarb, Raw?
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Quick reference — common serving sizes
| Amount | Calories | Protein |
|---|---|---|
| 1 oz (28g) | 6 kcal | 0.3g |
| 100g | 21 kcal | 0.9g |
| 1 cup, diced | 26 kcal | 1.1g |
A rhubarb, raw contains 21 calories per 100g. A typical 1 cup, diced (122g) provides about 26 calories. Rhubarb, Raw is low in calories. Accurate tracking starts with weighing portions — a digital kitchen scale removes all the guesswork.
Rhubarb, Raw Nutrition Facts
| Nutrient | Per 100g | Per serving (122g) |
|---|---|---|
| Calories | 21 kcal | 26 kcal |
| Protein | 0.9g | 1.1g |
| Carbohydrates | 4.5g | 5.5g |
| of which Sugars | 1.1g | 1.3g |
| Fat | 0.2g | 0.2g |
| of which Saturates | 0.1g | 0.1g |
| Fibre | 1.8g | 2.2g |
| Sodium | 4.0mg | 5mg |
| Potassium | 288.0mg | 351mg |
| Calcium | 86.0mg | 105mg |
| Iron | 0.2mg | 0.2mg |
| Vitamin C | 8.0mg | 9.8mg |
| Vitamin A | 5.0µg | 6µg |
| Selenium | 1.1µg | 1µg |
| Riboflavin (B2) | 0.0mg | 0.0mg |
% of Daily Value (per 100g)
Based on a standard 2,000-calorie reference diet — the same basis used on nutrition labels in the US and UK.
- Low in saturated fat (0% DV)
- Low in sodium (0% DV)
- Calories: 1% DV
- Protein: 2% DV
- Carbohydrates: 2% DV
- Fibre: 6% DV
- Fat: 0% DV
- Saturated fat: 0% DV
- Sodium: 0% DV
- Potassium: 6% DV
- Calcium: 7% DV
- Iron: 1% DV
- Vitamin C: 9% DV
- Vitamin A: 1% DV
- Selenium: 2% DV
- Riboflavin (B2): 0% DV
Useful for tracking rhubarb, raw
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Good to know
Ripeness affects sugar content — a very ripe piece of fruit can carry noticeably more natural sugar than an under-ripe one of the same size.
Does rhubarb, raw fit your diet?
Low-carb / keto
Rhubarb, Raw contains 4.5g of carbohydrate per 100g, low enough to fit comfortably within most low-carb or ketogenic daily carb allowances — check the fat and protein split above against your specific macro targets.
Weight management
At 21 calories per 100g, rhubarb, raw is calorie-light relative to its volume, which can help keep a meal within a calorie target without needing very small portions.
Frequently Asked Questions
How many calories in rhubarb, raw per 100g?
Rhubarb, Raw contains 21 calories per 100g, based on USDA reference data.
Is rhubarb, raw high in calories?
A 1 cup, diced of rhubarb, raw (122g) has around 26 calories — roughly 1% of a 2,000-calorie daily intake.
Is rhubarb, raw good for weight loss?
At 21 calories per 100g, rhubarb, raw is relatively low in calories and can fit well into a weight-loss diet. A 1 cup, diced provides about 26 calories.
How much protein is in rhubarb, raw?
Rhubarb, Raw contains 0.9g of protein per 100g.
Is rhubarb, raw a good source of fibre?
Rhubarb, Raw is relatively low in fibre at 1.8g per 100g, so pairing it with fibre-rich sides (vegetables, whole grains, legumes) can help balance a meal.
How does rhubarb, raw compare to rhubarb, frozen, uncooked?
Rhubarb, Raw has 21 calories per 100g, close to rhubarb, frozen, uncooked at 21 — 0 calories fewer per 100g. See the full macro breakdown above.
Is rhubarb, raw keto-friendly?
Rhubarb, Raw contains 4.5g of carbohydrate per 100g, which fits comfortably within most ketogenic daily carb allowances — check it against your specific daily carb target.
How many servings of rhubarb, raw for 20g of protein?
With 0.9g of protein per 100g, you'd need roughly 2222g of rhubarb, raw to reach 20g of protein
Foods with a similar calorie count
Other fruits closest to rhubarb, raw by calories per 100g:
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Rhubarb, Raw (this page) | 21 kcal | 0.9g | 4.5g | 0.2g |
| Rhubarb, Frozen, Uncooked | 21 kcal | 0.6g | 5.1g | 0.1g |
| Apricots, Canned, Water Pack, without Skin | 22 kcal | 0.7g | 5.5g | 0.0g |
| Peaches, Canned, Water Pack, Solids and Liquids | 24 kcal | 0.4g | 6.1g | 0.1g |
| Rose-apples, Raw | 25 kcal | 0.6g | 5.7g | 0.3g |
| Naranjilla (lulo) Pulp, Frozen, Unsweetened | 25 kcal | 0.4g | 5.9g | 0.2g |
| Apricots, Canned, Water Pack, with Skin | 27 kcal | 0.7g | 6.4g | 0.2g |
More kit for rhubarb, raw tracking
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Nutrition data: USDA FoodData Central (public domain, CC0 1.0). Values are per 100g unless stated.