Vegetables • Deep Nutrition Analytics
Onions, red, raw
Delivering 44 kcal per 100 grams, Onions, red, raw functions as a vegetables with carbohydrates (9.9g) driving its core energy contribution. Its nutritional footprint is centered on clean macronutrient energy rather than concentrated micronutrient density. With a low calorie density of 0.4 kcal/g, it serves as a lightweight volume option with 7.7g of net carbs.
- Protein
- 0.9 g
- Carbohydrates
- 9.9 g
- Fat
- 0.1 g
- Fiber
- 2.2 g
Produce Profile: Hydration & Micronutrients
Onions, red, raw provides natural botanical nutrition with 44 calories per 100g. Providing 2.2g of dietary fiber, it serves as a whole-food source of vital micronutrients.
Nutritional Highlights & Outliers
Calorie-Conscious Profile
With an energy density of 0.4 kcal/g (44 kcal/100g), this food supports high-volume, calorie-controlled nutrition.
Complete Nutrition Profile (per 100 g)
Macronutrients
| Nutrient | Amount per 100 g |
|---|---|
| Fiber, total dietary | 2.2 g |
| Total dietary fiber (AOAC 2011.25) | 4 g |
| Protein | 0.9 g |
| Total lipid (fat) | 0.1 g |
| Sugars, Total | 5.8 g |
| Carbohydrate, by difference | 9.9 g |
| Energy | 44 kcal |
| Energy | 186 kJ |
Micronutrients
| Nutrient | Amount per 100 g |
|---|---|
| Vitamin C | 8.1 mg |
| Copper | 0.1 mg |
| Manganese | 0.1 mg |
| Potassium | 197 mg |
| Phosphorus | 41 mg |
Vitamins
| Nutrient | Amount per 100 g |
|---|---|
| Vitamin C, total ascorbic acid | 8.1 mg |
Minerals
| Nutrient | Amount per 100 g |
|---|---|
| Phosphorus, P | 41 mg |
| Potassium, K | 197 mg |
| Zinc, Zn | 0.2 mg |
| Calcium, Ca | 17 mg |
| Copper, Cu | 0.1 mg |
| Iron, Fe | 0.2 mg |
| Magnesium, Mg | 11.4 mg |
| Manganese, Mn | 0.1 mg |
| Sodium, Na | 1 mg |
| Selenium, Se | 0.5 µg |
Other nutrients
| Nutrient | Amount per 100 g |
|---|---|
| Fructose | 1.8 g |
| Glucose | 2.3 g |
| Sucrose | 1.7 g |
| Water | 88.6 g |
| Ash | 0.4 g |
Serving calculator
Common serving sizes
- Edible197 g
- Serving85 g
Compare Onions, red, raw with Category Peers
Beets, cooked, boiled, drained vs Onions, red, raw
Compared to Beets, cooked, boiled, drained, Onions, red, raw has 0% less carbohydrates and 0% higher calories per 100g.
Potatoes, canned, solids and liquids vs Onions, red, raw
Compared to Potatoes, canned, solids and liquids, Onions, red, raw has 0% more carbohydrates and 0% higher calories per 100g.
Frequently Asked Questions
How many calories are in Onions, red, raw?
A standard 100-gram serving of Onions, red, raw contains 44 calories (184 kJ), alongside 0.9g of protein, 9.9g of carbohydrates, and 0.1g of fat.
In common serving sizes:- 197g (Edible): ~87 kcal
- 85g: ~37 kcal
Is Onions, red, raw suitable for a keto or low-carb diet?
Yes, in moderation. Onions, red, raw contains 7.7g of net carbs per 100g (9.9g carbs minus 2.2g fiber). It fits comfortably into standard low-carb meal plans and can be included in ketogenic diets when portion sizes are measured carefully.
What are the main vitamins and minerals found in Onions, red, raw?
Onions, red, raw exhibits modest micronutrient density, led by Vitamin C at 8.1 mg (9% DV). It functions primarily as a macronutrient energy contributor.
Data source: USDA FoodData Central, Foundation Foods (FDC ID 790577).