Calories in Onions, dehydrated flakes

Generic food Dried or dry Vegetables

Onions, dehydrated flakes contains 349 kcal per 100 g. A typical serving of 1 tbsp (5 g) provides about 17 kcal.

Roughly 89% of its calories come from carbohydrates, with 10% from protein and 1% from fat (estimated with general energy factors).

That is more energy than the typical item in vegetables and vegetable products on FoodFactly, where the median is 35 kcal per 100 g across 866 foods.

100 g provides 94% of the Daily Value for Vitamin B6, 83% of the Daily Value for Vitamin C and 60% of the Daily Value for manganese.

These values are for the dried or dry food. Raw and other preparations have their own values, listed separately below.

The data comes from USDA FoodData Central: SR Legacy.

349kcal per 100 g
9 gprotein
83.3 gcarbohydrates
0.46 gfat
17kcal in 1 tbsp (5 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories C 349 kcal
Total fat ? 0.46 g 0.6%
Saturated fat ? 0.078 g 0.4%
Trans fat Z 0 g
Cholesterol Z 0 mg 0%
Sodium ? 21 mg 0.9%
Total carbohydrates C 83.3 g 30%
Dietary fiber ? 9.2 g 33%
Total sugars I 37.4 g
Protein ? 9 g 18%
Vitamin A C 1 µg0.1%
Vitamin C ? 75 mg83%
Vitamin D Z 0 µg0%
Vitamin E I 0.18 mg1%
Vitamin K I 3.8 µg3%
Thiamin (B1) ? 0.5 mg42%
Riboflavin (B2) ? 0.1 mg8%
Niacin (B3) ? 0.99 mg6%
Pantothenic acid (B5) ? 1.4 mg28%
Vitamin B6 ? 1.6 mg94%
Folate (B9) C 166 µg42%
Vitamin B12 Z 0 µg0%
Choline C 53.9 mg10%
Calcium ? 257 mg20%
Iron ? 1.6 mg9%
Magnesium ? 92 mg22%
Phosphorus ? 303 mg24%
Potassium ? 1,622 mg35%
Zinc ? 1.9 mg17%
Copper ? 0.42 mg46%
Manganese ? 1.4 mg60%
Selenium I 5 µg9%

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein: 10%Carbohydrates: 89%Fat: 1%349kcal / 100 g
  • Protein 10%
  • Carbohydrates 89%
  • Fat 1%

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Vitamins and minerals, % Daily Value per 100 g

Vitamin B694%Vitamin C83%Manganese60%Copper46%Thiamin (B1)42%Folate (B9)42%Potassium35%Pantothenic acid (B5)28%Phosphorus24%Magnesium22%

Nutritional insights

  • Protein9 gin the top quarter of vegetables and vegetable products (median 2 g)
  • Fiber9.2 gin the top quarter of vegetables and vegetable products (median 2.2 g)
  • Sugars37.4 gin the top quarter of vegetables and vegetable products (median 2.3 g)
  • Fat0.46 gabove the median for vegetables and vegetable products (median 0.3 g)
  • Saturated fat0.078 gabove the median for vegetables and vegetable products (median 0.052 g)
  • Sodium21 mgbelow the median for vegetables and vegetable products (median 36 mg)
  • Protein per 100 kcal2.6 gprotein density, useful for comparing foods with different calorie levels
  • Water3.9 gwater per 100 g, which largely explains differences between raw, cooked and dried forms

Full nutrient profile

Fats and cholesterol (2)
Monounsaturated fat ?0.064 g
Polyunsaturated fat ?0.18 g
Amino acids (18)
Tryptophan ?0.13 g
Threonine ?0.22 g
Isoleucine ?0.32 g
Leucine ?0.31 g
Lysine ?0.43 g
Methionine ?0.074 g
Cystine ?0.16 g
Phenylalanine ?0.23 g
Tyrosine ?0.22 g
Valine ?0.21 g
Arginine ?1.2 g
Histidine ?0.15 g
Alanine ?0.25 g
Aspartic acid ?0.49 g
Glutamic acid ?1.4 g
Glycine ?0.37 g
Proline ?0.28 g
Serine ?0.26 g
Individual fatty acids (19)
EPA (omega-3, 20:5 n-3) ?0 g
DHA (omega-3, 22:6 n-3) ?0 g
Linoleic acid (omega-6, 18:2) ?0.17 g
SFA 4:0 ?0 g
SFA 6:0 ?0 g
SFA 8:0 ?0 g
SFA 10:0 ?0 g
SFA 12:0 ?0 g
SFA 14:0 ?0.002 g
SFA 16:0 ?0.069 g
SFA 18:0 ?0.006 g
MUFA 18:1 ?0.064 g
PUFA 18:3 ?0.009 g
PUFA 20:4 ?0 g
MUFA 16:1 ?0 g
PUFA 18:4 ?0 g
MUFA 20:1 ?0 g
MUFA 22:1 ?0 g
PUFA 22:5 n-3 (DPA) ?0 g
Carotenoids (7)
Beta-carotene C11 µg
Lycopene C0 µg
Lutein + zeaxanthin C32 µg
Retinol Z0 µg
Carotene, alpha C0 µg
Vitamin D (D2 + D3), International Units Z0 IU
Cryptoxanthin, beta C0 µg
Other components (11)
Water ?3.9 g
Alcohol ?0 g
Caffeine Z0 mg
Ash ?3.4 g
Theobromine Z0 mg
Energy ?1,460 kJ
Vitamin A, IU C18 IU
Folic acid Z0 µg
Folate, food ?166 µg
Vitamin E, added Z0 mg
Vitamin B-12, added Z0 µg

Other forms of Onions

Raw, cooked, dried and processed versions are separate records with their own measured values.

FoodCaloriesProteinCarbsFat
Onion, raw Raw 40 1.1 g 9.3 g 0.1 g
Onions, cooked, boiled, drained, without salt Cooked 44 1.4 g 10.2 g 0.19 g
Onions, canned, solids and liquids Canned 19 0.85 g 4 g 0.09 g
Onions, yellow, sauteed Cooked 123 0.95 g 7.9 g 10.8 g
Onions, spring or scallions (includes tops and bulb), raw Raw 32 1.8 g 7.3 g 0.19 g
Onions, young green, tops only 27 0.97 g 5.7 g 0.47 g
Onions, welsh, raw Raw 34 1.9 g 6.5 g 0.4 g
Onions, sweet, raw Raw 32 0.8 g 7.6 g 0.08 g
Onions, cooked, boiled, drained, with salt Cooked 42 1.4 g 9.6 g 0.19 g
Onions, frozen, chopped, cooked, boiled, drained, with salt Cooked 26 0.77 g 6 g 0.1 g
Onions, frozen, chopped, unprepared Frozen 29 0.79 g 6.8 g 0.1 g
Onions, frozen, chopped, cooked, boiled, drained, without salt Cooked 28 0.77 g 6.6 g 0.1 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Foods with a similar nutritional profile

FoodCaloriesProteinCarbsFat
Shallots, freeze-dried Dried or dry 348 12.3 g 80.7 g 0.5 g
Tomato powder Dried or dry 302 12.9 g 74.7 g 0.44 g
Tomatoes, sun-dried Dried or dry 258 14.1 g 55.8 g 3 g
Sun-dried tomatoes Dried or dry 258 14.1 g 55.8 g 3 g
Peppers, sweet, red, freeze-dried Dried or dry 314 17.9 g 68.7 g 3 g
Carrot, dehydrated Dried or dry 341 8.1 g 79.6 g 1.5 g
Radishes, oriental, dried Dried or dry 271 7.9 g 63.4 g 0.72 g
Barbecue sauce 172 0.82 g 40.8 g 0.63 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Frequently asked questions

How many calories are in dried or dry onions?

100 g of dried or dry onions has 349 kcal. 1 tbsp (5 g): about 17 kcal. 0.25 cup (14 g): about 49 kcal.

How much protein is in dried or dry onions?

Dried or dry onions contains 9 g of protein per 100 g (18% of the 50 g Daily Value), or 0.45 g in 1 tbsp (5 g). About 10% of its calories come from protein. Compared with other vegetables and vegetable products, that is among the highest quarter (median 2 g).

How many carbs are in dried or dry onions?

Dried or dry onions has 83.3 g of total carbohydrates per 100 g, including 9.2 g of fiber and 37.4 g of sugars.

How much fat is in dried or dry onions?

Dried or dry onions contains 0.46 g of fat per 100 g, of which 0.078 g is saturated (0.4% of the Daily Value).

What vitamins and minerals does dried or dry onions contain?

Per 100 g, the most notable amounts relative to the Daily Value are Vitamin B6 (94% DV), Vitamin C (83% DV), manganese (60% DV), copper (46% DV) and Thiamin (B1) (42% DV). The full list is in the vitamins and minerals table above.

How much sodium is in dried or dry onions?

100 g contains 21 mg of sodium, 0.9% of the 2,300 mg Daily Value.

Does onions have the same nutrition dried or dry and raw?

No. Per 100 g, onions, dehydrated flakes has 349 kcal, while onion, raw has 40 kcal. Processing changes the water content, so always use the record that matches how you weigh the food.

Where does this nutrition data come from?

From USDA FoodData Central: SR Legacy, record dated April 1, 2019. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.

Source of the nutrition information

  • USDA FoodData Central: SR Legacy, record 170002. License: CC0 1.0 (U.S. public domain). Source record dated April 1, 2019. Imported November 6, 2026.

Last updated: . Data quality score: 100/100 (how it is calculated).

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.