MicroNutritiousPrecision Food & Nutrient Analytics

Vegetables • Deep Nutrition Analytics

Onions, sweet, raw

Delivering 32 kcal per 100 grams, Onions, sweet, raw functions as a vegetables with carbohydrates (7.5g) driving its core energy contribution. It functions predominantly as a macronutrient energy source with trace isolated micronutrient concentrations. With a low calorie density of 0.3 kcal/g, it serves as a lightweight volume option with 6.7g of net carbs.

32 kcal per 100 g
Protein
0.8 g
Carbohydrates
7.5 g
Fat
0.1 g
Fiber
0.9 g

Produce Profile: Hydration & Micronutrients

Onions, sweet, raw provides natural botanical nutrition with 32 calories per 100g. Providing 0.9g of dietary fiber, it serves as a whole-food source of vital micronutrients.

Nutritional Highlights & Outliers

Calorie-Conscious Profile

With an energy density of 0.3 kcal/g (32 kcal/100g), this food supports high-volume, calorie-controlled nutrition.

Complete Nutrition Profile (per 100 g)

Macronutrients

NutrientAmount per 100 g
Total Sugars5 g
Carbohydrate, by difference7.5 g
Energy32 kcal
Energy133 kJ
Total lipid (fat)0.1 g
Fiber, total dietary0.9 g
Protein0.8 g

Micronutrients

NutrientAmount per 100 g
Vitamin B60.1 mg
Copper0.1 mg
Vitamin C4.8 mg
Potassium119 mg
Manganese0.1 mg

Vitamins

NutrientAmount per 100 g
Vitamin B-60.1 mg
Vitamin C, total ascorbic acid4.8 mg
Vitamin K (phylloquinone)0.3 µg
Vitamin A, IU1 IU
Vitamin E (alpha-tocopherol)0 mg

Minerals

NutrientAmount per 100 g
Calcium, Ca20 mg
Potassium, K119 mg
Zinc, Zn0.1 mg
Selenium, Se0.5 µg
Iron, Fe0.3 mg
Magnesium, Mg9 mg
Phosphorus, P27 mg
Sodium, Na8 mg
Copper, Cu0.1 mg
Manganese, Mn0.1 mg
Other nutrients
NutrientAmount per 100 g
Choline, total5.5 mg
Betaine0.1 mg
Folate, food23 µg
Niacin0.1 mg
Pantothenic acid0.1 mg
Lutein + zeaxanthin6 µg
Water91.2 g
Sucrose0.7 g
Glucose2.3 g
Carotene, beta1 µg
Thiamin0 mg
Riboflavin0 mg
Folate, total23 µg
Ash0.3 g
Fructose2 g
Lactose0 g
Isoleucine0 g
Leucine0 g
Lysine0 g
Cystine0 g
Valine0 g
Arginine0.1 g
Histidine0 g
Aspartic acid0.1 g
Serine0 g
Tocotrienol, alpha0 mg
Tryptophan0 g
Threonine0 g
Methionine0 g
Phenylalanine0 g
Tyrosine0 g
Alanine0 g
Glutamic acid0.2 g
Glycine0 g
Proline0 g

Serving calculator

Common serving sizes

Compare Onions, sweet, raw with Category Peers

Leeks, (bulb and lower leaf-portion), cooked, boiled, drained, with salt vs Onions, sweet, raw

Compared to Leeks, (bulb and lower leaf-portion), cooked, boiled, drained, with salt, Onions, sweet, raw has 1% less carbohydrates and 3% higher calories per 100g.

Leeks, (bulb and lower leaf-portion), cooked, boiled, drained, without salt vs Onions, sweet, raw

Compared to Leeks, (bulb and lower leaf-portion), cooked, boiled, drained, without salt, Onions, sweet, raw has 1% less carbohydrates and 3% higher calories per 100g.

Frequently Asked Questions

How many calories are in Onions, sweet, raw?

A standard 100-gram serving of Onions, sweet, raw contains 32 calories (134 kJ), alongside 0.8g of protein, 7.5g of carbohydrates, and 0.1g of fat.

In common serving sizes:
  • 148g (NLEA serving): ~47 kcal
  • 331g (onion): ~106 kcal

Is Onions, sweet, raw suitable for a keto or low-carb diet?

Yes, in moderation. Onions, sweet, raw contains 6.7g of net carbs per 100g (7.5g carbs minus 0.9g 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, sweet, raw?

Onions, sweet, raw exhibits modest micronutrient density, led by Vitamin B6 at 0.13 mg (8% DV). It functions primarily as a macronutrient energy contributor.

Data source: USDA FoodData Central, SR Legacy (FDC ID 170008).