Calories and nutrition facts
Onion
100 g of onion has 34 calories, 1.2 g protein, 6 g carbs and 0.15 g fat. 1 onion (60 g) has 20 calories.
- Carbs 82 %
- Protein 14 %
- Fat 4 %
20
3.6 g
0.7 gThe Health Score from the ClemCam app: 1 to 10, based on the Nutri-Score (2023) per 100 g.
Nutrition facts
| Nutrition facts | per 100 g | 1 onion (60 g) |
|---|---|---|
| Energy | 34 kcal 142 kJ | 20 kcal 84 kJ |
| Fat | 0.15 g | 0.09 g |
| of which saturated | 0.03 g | 0.02 g |
| Carbohydrates | 6 g | 3.6 g |
| of which sugars | 6 g | 3.6 g |
| Fibre | 1.4 g | 0.84 g |
| Protein | 1.2 g | 0.7 g |
| Salt | 0.02 g | 0.01 g |
Vitamins
| Nutrition facts | per 100 g | % reference intake |
|---|---|---|
| Vitamin A | 1 µg | 0.1 % |
| Vitamin B1 (thiamin) | 0.06 mg | 5.5 % |
| Vitamin B2 (riboflavin) | 0.02 mg | 1.4 % |
| Niacin (B3) | 0.62 mg | 3.9 % |
| Vitamin B6 | 0.07 mg | 5 % |
| Folate | 15 µg | 7.5 % |
| Vitamin C | 7.4 mg | 9.3 % |
| Vitamin E | 0.04 mg | 0.3 % |
| Vitamin K | 0.4 µg | 0.5 % |
Minerals
| Nutrition facts | per 100 g | % reference intake |
|---|---|---|
| Calcium | 25 mg | 3.1 % |
| Iron | 0.69 mg | 4.9 % |
| Magnesium | 10 mg | 2.7 % |
| Zinc | 0.21 mg | 2.1 % |
| Potassium | 174 mg | 8.7 % |
| Phosphorus | 33 mg | 4.8 % |
| Iodine | 2 µg | 1.3 % |
Adult reference intakes from EU Regulation 1169/2011 (fibre 30 g and salt 6 g as recommended by the DGE). Only values above 0 are shown.
Compared
Other foods in Vegetables, per 100 g.
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Questions
How many calories are in 1 onion (60 g)?
1 onion (60 g) has 20 calories, with 0.7 g protein, 3.6 g carbs and 0.09 g fat.
How much protein is in onion?
Onion has 1.2 g protein per 100 g. That is 14% of its calories.
How many carbs are in onion?
Onion has 6 g carbs per 100 g, including 6 g sugars and 1.4 g fibre.
Source: German Federal Food Code (Bundeslebensmittelschlüssel, BLS) 4.0, Max Rubner Institute (2025), licensed under CC BY 4.0. Values per 100 g edible portion, BLS code G480100. Serving sizes are typical amounts; per-serving values, shares and the Health Score were calculated by ClemCam.