How many calories are in Onion?
Onion contains 44 calories per serving (2% of the 2,000 kcal daily value), with 0.1g fat, 10.3g carbs, and 1g protein. This nutritional data is based on AI-powered meal analysis by SimpliFit.
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How many calories and nutrients are in Onion
Nutritional value of Onion per 100 grams
What's inside Onion
| Ingredient | Amount | Calories | Protein | Fat | Carbs |
|---|---|---|---|---|---|
| onion | 110g | 40 kcal | 0.9g | 0.1g | 9.4g |
Where do the calories in Onion come from
How Onion fits into your daily diet
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Calories | 44 kcal | 2% |
| Protein | 1g | 2% |
| Fat | 0.1g | 0% |
| Carbs | 10.3g | 3% |
Based on a 2,000 kcal daily reference diet.
How long it takes to burn off the calories from Onion
Estimates for a 70 kg (154 lb) person. Actual values vary by body weight and intensity.
Common questions about Onion
How many calories are in Onion?
A full serving of Onion contains approximately 44 kcal. The total serving weighs about 110g. Per 100 grams, that works out to 40 kcal.
Is Onion good for weight loss?
Onion has a low calorie density at 40 kcal per 100g, making it a great choice for weight loss. Foods under 150 kcal per 100g let you eat satisfying portions while keeping calories in check.
How much protein is in Onion?
A serving of Onion provides about 1g of protein from a total serving weight of 110g. That is 0.9g of protein per 100g, which covers roughly 2% of the recommended daily intake of 50g.
What is the easiest way to track Onion calories?
The easiest way to track Onion is with SimpliFit. Just snap a photo of your meal and the AI instantly estimates calories and macros — no manual searching or barcode scanning required.
How does Onion compare to similar meals?
| Meal | Weight | Calories | Protein | compared to this |
|---|---|---|---|---|
| Onion | 53g | 21.2 | 0.6g | -22 kcal, less protein |
| Vegetable Soup | 150g | 30.0 | 0.9g | -14 kcal, less protein |
| Onion and Potato Fritters | 150g | 60.0 | 1.2g | +16 kcal, more protein |
| Onion | 100g | 40.0 | 1.1g | -4 kcal, more protein |
| Tomato Onion Uttam | 200g | 47.0 | 1.8g | +3 kcal, more protein |