How many calories are in Red Onion?
Red Onion contains 40 calories per serving (2% of the 2,000 kcal daily value), with 0.1g fat, 9.3g carbs, and 1.1g protein. This nutritional data is based on AI-powered meal analysis by SimpliFit.
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How many calories and nutrients are in Red Onion
Nutritional value of Red Onion per 100 grams
What's inside Red Onion
| Ingredient | Amount | Calories | Protein | Fat | Carbs |
|---|---|---|---|---|---|
| red onion | 100g | 40 kcal | 1.1g | 0.1g | 9.3g |
Where do the calories in Red Onion come from
How Red Onion fits into your daily diet
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Calories | 40 kcal | 2% |
| Protein | 1.1g | 2% |
| Fat | 0.1g | 0% |
| Carbs | 9.3g | 3% |
Based on a 2,000 kcal daily reference diet.
How long it takes to burn off the calories from Red Onion
Estimates for a 70 kg (154 lb) person. Actual values vary by body weight and intensity.
Common questions about Red Onion
How many calories are in Red Onion?
A full serving of Red Onion contains approximately 40 kcal. The total serving weighs about 100g. Per 100 grams, that works out to 40 kcal.
Is Red Onion good for weight loss?
Red 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 Red Onion?
A serving of Red Onion provides about 1.1g of protein from a total serving weight of 100g. That is 1.1g of protein per 100g, which covers roughly 2% of the recommended daily intake of 50g.
What is the easiest way to track Red Onion calories?
The easiest way to track Red 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 Red Onion compare to similar meals?
| Meal | Weight | Calories | Protein | compared to this |
|---|---|---|---|---|
| Raw onions and root vegetable | 150g | 60.0 | 1.4g | +20 kcal, more protein |
| Chopped onion and chili | 40g | 16.0 | 0.4g | -24 kcal, less protein |
| Red Onion | 70g | 28.0 | 0.8g | -12 kcal, less protein |
| Red Onion | 150g | 60.0 | 1.4g | +20 kcal, more protein |
| Red Onion | 80g | 32.0 | 0.9g | -8 kcal, less protein |