Calories
44kcal
Protein
1.13g
Protein / 100 kcal
2.6g
Total fat
2.16g
Values per 100 g edible portion
Onion soup is a prepared foods food. A 100 g edible portion provides 44 calories, 1.1 g of protein, 5.2 g of carbohydrate and 2.2 g of fat. That works out to 2.6 g of protein per 100 calories. All figures are per 100 g and trace to USDA FoodData Central.
- Protein1.13 g · 10.1%
- Carbs5.2 g · 46.5%
- Fat2.16 g · 43.4%
Where Onion soup ranks
Nutrition
2.6 g protein / 100 kcal
Energy
- Energy44 kcal
Macronutrients
- Protein1.13 g2%
- Carbohydrate5.2 g2%
- Fiber0.4 g1%
- Total sugars—
- Total fat2.16 g3%
- Saturated fat0.6 g3%
Minerals
- Sodium380 mg17%
- Potassium49 mg1%
- Calcium14 mg1%
- Iron0.26 mg1%
- Magnesium2 mg0%
Vitamins
- Vitamin C0.5 mg1%
- Vitamin D—
% Daily Value based on FDA reference amounts for a general adult diet. Individual needs vary. Missing values are shown as “—”, never zero.
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Compare Onion soup
Frequently asked questions
- How many calories are in Onion soup?
- Onion soup has 44 calories per 100 g edible portion.
- How much protein is in Onion soup?
- Onion soup has 1.1 g of protein per 100 g edible portion.
- How many carbs are in Onion soup?
- Onion soup has 5.2 g of carbohydrate per 100 g edible portion.
- How much fat is in Onion soup?
- Onion soup has 2.2 g of total fat per 100 g edible portion.
- How much fiber is in Onion soup?
- Onion soup has 0.4 g of fiber per 100 g edible portion.
- Is Onion soup high in protein?
- Onion soup provides 2.6 g of protein per 100 calories — a relatively low protein-to-calorie ratio.
- Is Onion soup keto-friendly?
- Onion soup has 5.2 g of carbohydrate per 100 g. Ketogenic diets keep carbs very low, so it can fit a keto plan in modest portions (per 100 g).
- Is Onion soup vegan?
- No — Onion soup is not vegan.
- Is Onion soup vegetarian?
- No — Onion soup is not vegetarian.
- Is Onion soup gluten-free?
- No — Onion soup contains gluten.
- Is Onion soup dairy-free?
- No — Onion soup contains dairy.
- What is a serving size of Onion soup?
- A common serving of Onion soup is 1 undetermined cup (8 fl oz) (about 244 g). Use the serving selector on this page to see nutrition for any portion.
Educational information only — not medical advice. See our methodology.






