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Welsh onion calories and nutrition facts
100 grams of welsh onion contains 34 calories, with 1.9 g of protein, 6.5 g of carbohydrate and 0.4 g of fat. It provides 2.4 g of fiber and 2.2 g of sugar per 100 g. Most of its calories come from carbohydrate.
Where the calories come from
Protein 20% Carbs 70% Fat 10%
How welsh onion compares
Per 100 g, against the closest vegetables in this database.
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Welsh onion | 34 kcal | 1.9 g | 6.5 g | 0.4 g |
| Dandelion greens, cooked | 33 kcal | 2 g | 6.4 g | 0.6 g |
| Shiitake mushroom, raw | 34 kcal | 2.2 g | 6.8 g | 0.5 g |
| Serrano pepper | 32 kcal | 1.7 g | 6.7 g | 0.4 g |
| Green beans, microwaved | 33 kcal | 2.3 g | 6.4 g | 0.5 g |
Nutrition facts for welsh onion
| Nutrient | Per 100 g |
|---|---|
| Calories | 34 kcal |
| Protein | 1.9 g |
| Carbohydrate | 6.5 g |
| Fat | 0.4 g |
| Fiber | 2.4 g |
| Sugar | 2.2 g |
| Saturated fat | 0.1 g |
| Salt | 0 g |
Print an EU-style nutrition label for welsh onion — per 100 g and per portion.
Vitamins and minerals in welsh onion
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 | 193 µg | 161% |
| Vitamin C | 27 mg | 30% |
| Copper | 0.07 mg | 8% |
| Iron | 1.2 mg | 7% |
| Riboflavin (B2) | 0.09 mg | 7% |
| Manganese | 0.14 mg | 6% |
| Magnesium | 23 mg | 5% |
| Potassium | 212 mg | 5% |
See the richest foods per nutrient in the nutrient toplists.
Calories in common welsh onion servings
How many calories in a portion of welsh onion — reference serving estimates with the gram weight shown.
| Serving | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| 100 g (100 g) | 34 kcal | 2 g | 7 g | 0 g |
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Frequently asked questions
How many calories are in welsh onion?
Welsh onion has 34 calories per 100 grams.
How much protein is in welsh onion?
Welsh onion contains 1.9 g of protein per 100 g.
How much sugar is in welsh onion?
Welsh onion contains 2.2 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 welsh onion low in carbs?
Yes by the numbers: Welsh onion has 6.5 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.
Are these welsh onion 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 #170007 (2018-04 release). US Government work — public domain in the United States. Reference values per 100 g edible portion.
