Calories in Onions, frozen, whole, unprepared
Generic food Frozen Vegetables
Onions, frozen, whole, unprepared contains 35 kcal per 100 g. A typical serving of 1 package, 10 oz (284 g) provides about 99 kcal.
Roughly 89% of its calories come from carbohydrates, with 9% from protein and 1% from fat (estimated with general energy factors).
That is close to the median for vegetables and vegetable products on FoodFactly (35 kcal per 100 g).
These values are for the frozen food. Raw and other preparations have their own values, listed separately below.
The data comes from USDA FoodData Central: SR Legacy.
Nutrition facts
| Nutrient | Amount per 100 g | % DV |
|---|---|---|
| Calories C | 35 kcal | |
| Total fat ? | 0.06 g | 0.1% |
| Saturated fat ? | 0.011 g | 0.1% |
| Trans fat Z | 0 g | |
| Cholesterol Z | 0 mg | 0% |
| Sodium ? | 10 mg | 0.4% |
| Total carbohydrates C | 8.5 g | 3% |
| Dietary fiber ? | 1.7 g | 6% |
| Total sugars I | 3.8 g | |
| Protein ? | 0.89 g | 2% |
| Vitamin A C | 0 µg | 0% |
| Vitamin C ? | 8 mg | 9% |
| Vitamin D Z | 0 µg | 0% |
| Vitamin E I | 0.02 mg | 0.1% |
| Vitamin K I | 0.4 µg | 0.3% |
| Thiamin (B1) ? | 0.026 mg | 2% |
| Riboflavin (B2) ? | 0.024 mg | 2% |
| Niacin (B3) ? | 0.18 mg | 1% |
| Pantothenic acid (B5) ? | 0.099 mg | 2% |
| Vitamin B6 ? | 0.093 mg | 5% |
| Folate (B9) C | 21 µg | 5% |
| Vitamin B12 Z | 0 µg | 0% |
| Choline I | 5.5 mg | 1% |
| Calcium ? | 36 mg | 3% |
| Iron ? | 0.46 mg | 3% |
| Magnesium ? | 10 mg | 2% |
| Phosphorus ? | 23 mg | 2% |
| Potassium ? | 142 mg | 3% |
| Zinc ? | 0.12 mg | 1% |
| Copper ? | 0.05 mg | 6% |
| Manganese ? | 0.13 mg | 5% |
| Selenium M | 0.4 µg | 0.7% |
% 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 9%
- 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
Nutritional insights
- Protein0.89 gin the lowest quarter of vegetables and vegetable products (median 2 g)
- Fiber1.7 gbelow the median for vegetables and vegetable products (median 2.2 g)
- Sugars3.8 gin the top quarter of vegetables and vegetable products (median 2.3 g)
- Fat0.06 gin the lowest quarter of vegetables and vegetable products (median 0.3 g)
- Saturated fat0.011 gin the lowest quarter of vegetables and vegetable products (median 0.052 g)
- Sodium10 mgbelow the median for vegetables and vegetable products (median 36 mg)
- Protein per 100 kcal2.5 gprotein density, useful for comparing foods with different calorie levels
- Water90.2 gwater per 100 g, which largely explains differences between raw, cooked and dried forms
Full nutrient profile
Fats and cholesterol (2)
| Monounsaturated fat ? | 0.009 g |
|---|---|
| Polyunsaturated fat ? | 0.025 g |
Amino acids (18)
| Tryptophan ? | 0.013 g |
|---|---|
| Threonine ? | 0.022 g |
| Isoleucine ? | 0.032 g |
| Leucine ? | 0.031 g |
| Lysine ? | 0.043 g |
| Methionine ? | 0.007 g |
| Cystine ? | 0.016 g |
| Phenylalanine ? | 0.023 g |
| Tyrosine ? | 0.022 g |
| Valine ? | 0.021 g |
| Arginine ? | 0.12 g |
| Histidine ? | 0.015 g |
| Alanine ? | 0.025 g |
| Aspartic acid ? | 0.049 g |
| Glutamic acid ? | 0.14 g |
| Glycine ? | 0.037 g |
| Proline ? | 0.028 g |
| Serine ? | 0.026 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) ? | 0.024 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 g |
| SFA 16:0 ? | 0.01 g |
| SFA 18:0 ? | 0.001 g |
| MUFA 18:1 ? | 0.009 g |
| PUFA 18:3 ? | 0.001 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 I | 1 µg |
|---|---|
| Lycopene I | 0 µg |
| Lutein + zeaxanthin I | 4 µg |
| Retinol Z | 0 µg |
| Carotene, alpha I | 0 µg |
| Vitamin D (D2 + D3), International Units Z | 0 IU |
| Cryptoxanthin, beta I | 0 µg |
Other components (11)
| Water ? | 90.2 g |
|---|---|
| Alcohol ? | 0 g |
| Caffeine Z | 0 mg |
| Ash ? | 0.38 g |
| Theobromine Z | 0 mg |
| Energy C | 148 kJ |
| Vitamin A, IU C | 2 IU |
| Folic acid Z | 0 µg |
| Folate, food ? | 21 µg |
| Vitamin E, added Z | 0 mg |
| Vitamin B-12, added Z | 0 µg |
Other forms of Onions
Raw, cooked, dried and processed versions are separate records with their own measured values.
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| 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, dehydrated flakes Dried or dry | 349 | 9 g | 83.3 g | 0.46 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 |
Per 100 g. Calories in kcal. n/a: not reported by the source.
Foods with a similar nutritional profile
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Okra, frozen, unprepared Frozen | 30 | 1.7 g | 6.6 g | 0.25 g |
| Peppers, sweet, red, frozen, chopped, unprepared Frozen | 20 | 1.1 g | 4.5 g | 0.21 g |
| Beans, snap, green, frozen, all styles, unprepared Frozen | 33 | 1.8 g | 7.5 g | 0.21 g |
| Carrots, frozen, unprepared Frozen | 37 | 0.81 g | 7.9 g | 0.47 g |
| Beans, snap, yellow, frozen, all styles, unprepared Frozen | 33 | 1.8 g | 7.6 g | 0.21 g |
| Cauliflower, frozen, unprepared Frozen | 24 | 2 g | 4.7 g | 0.27 g |
| Squash, summer, zucchini, includes skin, frozen, unprepared Frozen | 17 | 1.2 g | 3.6 g | 0.13 g |
| Squash, winter, butternut, frozen, unprepared Frozen | 57 | 1.8 g | 14.4 g | 0.1 g |
Per 100 g. Calories in kcal. n/a: not reported by the source.
Frequently asked questions
How many calories are in frozen onions?
100 g of frozen onions has 35 kcal. 1 package, 10 oz (284 g): about 99 kcal. 0.33 package, 10 oz (95 g): about 33 kcal.
How much protein is in frozen onions?
Frozen onions contains 0.89 g of protein per 100 g (2% of the 50 g Daily Value), or 2.5 g in 1 package, 10 oz (284 g). About 9% of its calories come from protein. Compared with other vegetables and vegetable products, that is in the lowest quarter (median 2 g).
How many carbs are in frozen onions?
Frozen onions has 8.5 g of total carbohydrates per 100 g, including 1.7 g of fiber and 3.8 g of sugars.
How much fat is in frozen onions?
Frozen onions contains 0.06 g of fat per 100 g, of which 0.011 g is saturated (0.1% of the Daily Value).
How much sodium is in frozen onions?
100 g contains 10 mg of sodium, 0.4% of the 2,300 mg Daily Value.
Does onions have the same nutrition frozen and raw?
No. Per 100 g, onions, frozen, whole, unprepared has 35 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 170412. 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.