How many calories are in Red Onion?

Red Onion contains 28 calories per serving (1% of the 2,000 kcal daily value), with 0.1g fat, 6.5g carbs, and 0.8g 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

Total weight: 70g
28.0
kcal
0.8g
Protein
0.1g
Fat
6.5g
Carbs

Nutritional value of Red Onion per 100 grams

40.0
kcal
1.1g
Protein
0.1g
Fat
9.3g
Carbs

What's inside Red Onion

Ingredient Amount Calories Protein Fat Carbs
red onion 70g 40 kcal 1.1g 0.1g 9.3g

Where do the calories in Red Onion come from

3%
93%
11%
Fat 3% Carbs 93% Protein 11%

How Red Onion fits into your daily diet

Nutrient Amount % Daily Value
Calories 28 kcal 1%
Protein 0.8g 2%
Fat 0.1g 0%
Carbs 6.5g 2%

Based on a 2,000 kcal daily reference diet.

How long it takes to burn off the calories from Red Onion

🏃
Jogging
3 min
🚴
Cycling
3 min
🚶
Walking
7 min

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 28 kcal. The total serving weighs about 70g. 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 0.8g of protein from a total serving weight of 70g. 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 +32 kcal, more protein
Red Onion 100g 40.0 1.1g +12 kcal, more protein
Chopped onion and chili 40g 16.0 0.4g -12 kcal, less protein
Red Onion 150g 60.0 1.4g +32 kcal, more protein
Red Onion 80g 32.0 0.9g +4 kcal, more protein