Onion
Packaged product Vegetables Green Valley
Onion contains 40 kcal per 100 g. A serving, 1 medium, 110 g (110 g) provides about 44 kcal.
Roughly 91% of its calories come from carbohydrates, with 9% from protein and 0% from fat (estimated with general energy factors).
That is close to the median for vegetables on FoodFactly (39 kcal per 100 g).
The values are as declared on the product label and entered by Open Food Facts contributors.
Nutrition facts
| Nutrient | Amount per 100 g | % DV |
|---|---|---|
| Calories L | 40 kcal | |
| Total fat L | 0 g | 0% |
| Saturated fat L | 0.2 g | 1% |
| Cholesterol L | 0 mg | 0% |
| Sodium L | 3.6 mg | 0.2% |
| Total carbohydrates L | 9.1 g | 3% |
| Dietary fiber L | 2.7 g | 10% |
| Total sugars L | 4.8 g | |
| Added sugars L | 0 g | 0% |
| Protein L | 0.91 g | 2% |
| Vitamin A L | 0 µg | 0% |
| Vitamin C L | 3.9 mg | 4% |
| Vitamin D L | 0 µg | 0% |
| Vitamin E L | 0.045 mg | 0.3% |
| Thiamin (B1) L | 0.025 mg | 2% |
| Riboflavin (B2) L | 0.025 mg | 2% |
| Niacin (B3) L | 0.025 mg | 0.2% |
| Pantothenic acid (B5) L | 0.15 mg | 3% |
| Vitamin B6 L | 0.1 mg | 6% |
| Folate (B9) L | 29.6 µg | 7% |
| Vitamin B12 L | 0 µg | 0% |
| Calcium L | 25 mg | 2% |
| Iron L | 0 mg | 0% |
| Magnesium L | 9 mg | 2% |
| Phosphorus L | 37 mg | 3% |
| Potassium L | 190 mg | 4% |
| Zinc L | 0.23 mg | 2% |
| Copper L | 0 mg | 0% |
| Manganese L | 0.1 mg | 4% |
| Selenium L | 2.3 µg | 4% |
| Iodine L | 5 µg | 3% |
% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.
Nutritional breakdown
- Protein 9%
- Carbohydrates 91%
Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).
Vitamins and minerals, % Daily Value per 100 g
Nutritional insights
- Protein0.91 gin the lowest quarter of vegetables (median 1.1 g)
- Fiber2.7 gin the top quarter of vegetables (median 1.7 g)
- Fat0 gin the lowest quarter of vegetables (median 0.62 g)
- Sodium3.6 mgbelow the median for vegetables (median 39 mg)
- Protein per 100 kcal2.3 gprotein density, useful for comparing foods with different calorie levels
- Water89.6 gwater per 100 g, which largely explains differences between raw, cooked and dried forms
Full nutrient profile
Sugars and starch (1)
| Starch L | 0.25 g |
|---|
Carotenoids (1)
| Beta-carotene L | 25 µg |
|---|
Other components (2)
| Water L | 89.6 g |
|---|---|
| Alcohol L | 0 g |
Product details
- Brand
- Green Valley
- Barcode
- 0033383600024
- Quantity
- 3 lbs
- Label serving
- 1 medium (110 g)
- Category
- Yellow onions
- NOVA group
- 1 processing level (1 to 4), as classified by Open Food Facts
Ingredients
Yellow onions
As listed on the package and transcribed by Open Food Facts contributors. Always check the package for allergens.
Ingredient guides: Onion
Similar products
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Oignon Priméale | 39 | 1.1 g | 6.3 g | 0.62 g |
| Oignons Jaunes CARREFOUR | 39 | 1.1 g | 6.3 g | 0.62 g |
| Zwiebel gelb Hofer | 39 | 1.1 g | 6.3 g | 0.62 g |
| Oignons jaunes Maraîchers des Hauts-de-France | 39 | 1.1 g | 6.3 g | 0.62 g |
| Oignon jaune Carrefour | 39 | 1.1 g | 6.3 g | 0.62 g |
| Oignons jaunes Ferme des arches | 39 | 1.1 g | 6.3 g | 0.62 g |
| Oignons calibre 40/60 Éco+ | 39 | 1.1 g | 6.3 g | 0.62 g |
| Oignon jaune bio Esprit Bio | 39 | 1.1 g | 6.3 g | 0.62 g |
Per 100 g. Calories in kcal. n/a: not reported by the source.
Frequently asked questions
How many calories are in Onion?
100 g of Onion has 40 kcal. Serving, 1 medium, 110 g (110 g): about 44 kcal.
How much protein is in Onion?
Onion contains 0.91 g of protein per 100 g (2% of the 50 g Daily Value), or 1 g in serving, 1 medium, 110 g (110 g). About 9% of its calories come from protein. Compared with other vegetables, that is in the lowest quarter (median 1.1 g).
How many carbs are in Onion?
Onion has 9.1 g of total carbohydrates per 100 g, including 2.7 g of fiber and 4.8 g of sugars. Label conventions differ: in the EU and some other regions carbohydrates are declared without fiber.
How much fat is in Onion?
Onion contains 0 g of fat per 100 g, of which 0.2 g is saturated (1% of the Daily Value).
How much sodium is in Onion?
100 g contains 3.6 mg of sodium, 0.2% of the 2,300 mg Daily Value.
Where does this nutrition data come from?
From Open Food Facts, record dated May 12, 2026. FoodFactly last checked it on November 8, 2026. Each value above shows whether it was measured, calculated or taken from a label.
Source of the nutrition information
- Open Food Facts, record 0033383600024. License: ODbL 1.0 (Open Food Facts). Source record dated May 12, 2026. Imported November 8, 2026.
Last updated: . Data quality score: 100/100 (how it is calculated).
Product data from Open Food Facts, made available under the Open Database License. Values are as declared on the label; labels can change over time, so check the package you have.
General nutrition information, not medical advice. Individual needs differ; see our disclaimer.