Calories in Onion

- Category
- Vegetables
- Serving
- 50 g
Nutrition per 100 g
| Calories | 40 kcal |
|---|---|
| Protein | 1.1 g |
| Fat | 0.1 g |
| Carbs | 9.3 g |
About this food
Onions are a versatile bulb vegetable, often diced and cooked as a base for many savory dishes or sliced raw in salads and sandwiches. They offer a pungent flavor that mellows significantly when cooked.
Nutrition highlights
- Per 100 g: 40 kcal, 1.1 g protein, 0.1 g fat, 9.3 g carbs
- A 50 g serving is about 20 kcal and 0.6 g protein
- Low energy density (40 kcal/100 g) — fits calorie-controlled meals
- Very low fat (0.1 g/100 g)
FAQ
- How many calories are in Onion?
- There are 40 kcal per 100 g of Onion. Use this as a guide when logging meals.
- How much protein is in Onion?
- Onion contains 1.1 g of protein per 100 g.
- How much fat is in Onion?
- Onion has 0.1 g of fat per 100 g.
- How many carbs are in Onion?
- Onion provides 9.3 g of carbohydrates per 100 g.
- How many calories in a serving of Onion (50 g)?
- A 50 g serving is about 20 kcal and 0.6 g of protein. Actual values vary by brand and preparation.