Summary
Calories
40
kcal / 100 g
Protein
1.1
g / 100 g
Carbohydrates
9.3
g / 100 g
Fat
0.1
g / 100 g
Where the energy comes from
- Protein 10%
- Carbohydrates 88%
- Fat 2%
100 grams of Onion contain 40 kcal, 1.1 g protein, 9.3 g carbohydrates and 0.1 g fat. 1 medium (110 g) has about 44 kcal.
Low calorieLow fatLow saturated fatLow sugarLow sodium
Per 100 g, using the EU nutrition claim thresholds (Regulation 1924/2006).
Onion Nutrition Facts
| Vitamins | Per 100 g | NRV |
|---|---|---|
| Vitamin A | 0 µg | 0% |
| Vitamin C | 7.4 mg | 9% |
| Vitamin D | 0 µg | 0% |
| Vitamin E | 0.02 mg | 0% |
| Vitamin K | 0.4 µg | 1% |
| Vitamin B1 (thiamin) | 0.046 mg | 4% |
| Vitamin B2 (riboflavin) | 0.027 mg | 2% |
| Vitamin B3 (niacin) | 0.12 mg | 1% |
| Vitamin B6 | 0.12 mg | 9% |
| Vitamin B12 | 0 µg | 0% |
| Folate | 19 µg | 10% |
| Minerals | Per 100 g | NRV |
|---|---|---|
| Calcium | 23 mg | 3% |
| Iron | 0.21 mg | 2% |
| Magnesium | 10 mg | 3% |
| Phosphorus | 29 mg | 4% |
| Potassium | 146 mg | 7% |
| Sodium | 4 mg | 0% |
| Zinc | 0.17 mg | 2% |
| Copper | 0.039 mg | 4% |
| Manganese | 0.13 mg | 6% |
| Selenium | 0.5 µg | 1% |
| Fat breakdown | Per 100 g |
|---|---|
| Saturated fat | 0.042 g |
| Monounsaturated fat | 0.013 g |
| Polyunsaturated fat | 0.017 g |
| Trans fat | 0 g |
| Cholesterol | 0 mg |
NRV: share of the EU adult nutrient reference value provided by 100 g.
Allergens and Diets
Contains none of the 14 major EU allergens.
- Vegan
- Yes
- Vegetarian
- Yes
- Gluten-free
- Yes
- Dairy-free
- Yes
Based on the food itself; processed products may contain traces.
Data Source
Values are laboratory measurements from the U.S. Department of Agriculture (USDA) FoodData Central database.
USDA record: Onions, raw. View on USDA
Values are averages and vary by recipe, product and portion. Not medical advice.
Frequently Asked Questions
- How many calories are in Onion?
- 100 grams of Onion contain 40 kcal. 1 medium (110 g) has about 44 kcal.
- How much protein is in Onion?
- 100 grams contain 1.1 g of protein; 10% of its energy comes from protein.
- Is Onion gluten-free?
- Yes. It contains no gluten-containing grain.
- Is Onion vegan?
- Yes, it contains no animal products.