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[N]extrient

Onions (Raw)

SR Legacy·Comprehensive Reference Data

Onions, raw

Vegetables and Vegetable Products

Macronutrients distribute relatively evenly across protein (1.1g), fat (0.1g), and carbohydrates (9.3g) per 100g. With 40 calories per 100g, Onions (Raw) fits comfortably into calorie-controlled meal plans without sacrificing volume. With only 4mg of sodium, Onions (Raw) is naturally very low in sodium and suitable for sodium-restricted diets. The micronutrient profile is relatively narrow, with Onions (Raw) valued primarily for its macronutrient contribution. Composed of 89% water by weight, Onions (Raw) also contributes to daily hydration.

Calories40KCAL
Protein1.1G
Fat0.1G
Carbs9.3G
Fiber1.7G

Calorie Distribution

43kcal
  • Protein10%1.1 g
  • Fat2%0.1 g
  • Carbs88%9.3 g

Serving Size

g

% Daily Value

per 100g serving · FDA 2020 reference

≤5% low6–19% moderate≥20% good source

Nutrition Facts per 100g

Water89.1G
Energy40.0KCAL
Protein1.1G
Total lipid (fat)0.10G
Carbohydrate, by difference9.3G
Fiber, total dietary1.7G
Total Sugars4.2G
Cholesterol0MG
Vitamin C, total ascorbic acid7.4MG
Thiamin0.05MG
Riboflavin0.03MG
Niacin0.12MG
Vitamin B-60.12MG
Folate, total19.0UG
Vitamin B-120UG
Vitamin A, RAE0UG
Vitamin E (alpha-tocopherol)0.02MG
Vitamin D (D2 + D3)0UG
Vitamin K (phylloquinone)0.40UG
Calcium, Ca23.0MG
Iron, Fe0.21MG
Magnesium, Mg10.0MG
Phosphorus, P29.0MG
Potassium, K146MG
Sodium, Na4.0MG
Zinc, Zn0.17MG
Copper, Cu0.04MG
Manganese, Mn0.13MG
Selenium, Se0.50UG
Energy166kJ
Ash0.35G
Sucrose0.99G
Glucose2.0G
Fructose1.3G
Lactose0G
Maltose0G
Galactose0G
Starch0G
Fluoride, F1.1UG
Pantothenic acid0.12MG
Folic acid0UG
Folate, food19.0UG
Folate, DFE19.0UG
Choline, total6.1MG
Betaine0.10MG
Vitamin B-12, added0UG
Retinol0UG
Carotene, beta1.0UG
Carotene, alpha0UG
Cryptoxanthin, beta0UG
Vitamin A, IU2.0IU
Lycopene0UG
Lutein + zeaxanthin4.0UG
Vitamin E, added0MG
Tocopherol, beta0MG
Tocopherol, gamma0MG
Tocopherol, delta0MG
Tocotrienol, alpha0.04MG
Tocotrienol, beta0MG
Tocotrienol, gamma0MG
Tocotrienol, delta0MG
Vitamin D (D2 + D3), International Units0IU
Vitamin K (Dihydrophylloquinone)0UG
Fatty acids, total saturated0.04G
SFA 4:00G
SFA 6:00G
SFA 8:00G
SFA 10:00G
SFA 12:00G
SFA 14:00.004G
SFA 15:00G
SFA 16:00.03G
SFA 17:00G
SFA 18:00.004G
SFA 20:00G
SFA 22:00G
SFA 24:00G
Fatty acids, total monounsaturated0.01G
MUFA 14:10G
MUFA 15:10G
MUFA 16:10G
MUFA 17:10G
MUFA 18:10.01G
MUFA 20:10G
MUFA 22:10G
Fatty acids, total polyunsaturated0.02G
PUFA 18:20.01G
PUFA 18:30.004G
PUFA 18:40G
PUFA 20:2 n-6 c,c0G
PUFA 20:30G
PUFA 20:40G
PUFA 20:5 n-3 (EPA)0G
PUFA 22:5 n-3 (DPA)0G
PUFA 22:6 n-3 (DHA)0G
Fatty acids, total trans0G
Phytosterols15.0MG
Tryptophan0.01G
Threonine0.02G
Isoleucine0.01G
Leucine0.03G
Lysine0.04G
Methionine0.002G
Cystine0.004G
Phenylalanine0.03G
Tyrosine0.01G
Valine0.02G
Arginine0.10G
Histidine0.01G
Alanine0.02G
Aspartic acid0.09G
Glutamic acid0.26G
Glycine0.03G
Proline0.01G
Serine0.02G
Alcohol, ethyl0G
Caffeine0MG
Theobromine0MG

Common Serving Sizes

ServingCalProteinFatCarbs
slice, thin (9g)40.1g0g0.8g
tbsp chopped (10g)40.1g0g0.9g
slice, medium (1/8" thick) (14g)60.2g0g1.3g
slice, large (1/4" thick) (38g)150.4g0g3.5g

Scaled from Onions (Raw)'s per-100g values using USDA portion data.

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Nutritionally Similar Foods

Based on protein, fat, carbs, fiber, and 11 other nutrients

Onions Whole Unprepared (Frozen)

35 kcal0.89g protein

Onions Whole Drained Without Salt (Frozen, Cooked, Boiled)

28 kcal0.71g protein

Onions Drained Without Salt (Cooked, Boiled)

44 kcal1.36g protein

Shallots (Raw)

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Onions Drained with Salt (Cooked, Boiled)

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Nutritional Profile Summary

Onions (Raw) has a limited micronutrient profile per 100 g among the key vitamins and minerals tracked. Its primary nutritional value comes from its macronutrient composition.

  • Calories: 40 kcal per 100 g
  • Protein: 1.1 g per 100 g
  • Total Fat: 0.1 g per 100 g
  • Carbohydrate: 9.3 g per 100 g
  • Fiber: 1.7 g per 100 g

Dietary Considerations

  • Onions (Raw) is naturally low in sodium at 4mg per 100g, making it compatible with the DASH diet. See the DASH Diet Guide.

Rankings Among 8,262 USDA Foods

  • Vitamin C: top 18% (#1,487 of 8,262)

Explore by Nutrient

Top foods in ProteinTop foods in FiberTop foods in IronTop foods in CalciumTop foods in PotassiumTop foods in SodiumTop foods in Vitamin CTop foods in MagnesiumTop foods in Zinc
Show Nutrition Facts Label

Nutrition Facts

Serving Size 100g

Calories40
% Daily Value*
Total Fat 0.10G0%
Cholesterol 0MG0%
Sodium 4.0MG0%
Total Carbohydrate 9.3G3%
Dietary Fiber 1.7G6%
Total Sugars 4.2G
Protein 1.1G2%
Vitamin D 0UG0%
Calcium 23.0MG2%
Iron 0.21MG1%
Potassium 146MG3%

* The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Data Source

Data sourced from USDA FoodData Central — SR Legacy. FDC ID: 170000.

View on USDA FoodData Central →