Calories in Onions, welsh, raw
Generic food Raw Vegetables
Onions, welsh, raw contains 34 kcal per 100 g.
Roughly 70% of its calories come from carbohydrates, with 20% from protein and 10% 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).
100 g provides 161% of the Daily Value for Vitamin K and 30% of the Daily Value for Vitamin C.
These values are for the raw food. Cooking changes the water content and some nutrients, so cooked versions are listed separately below.
The data comes from USDA FoodData Central: SR Legacy.
Nutrition facts
The source reports no household measures (such as cups or pieces) for this food, so only weights are offered.
| Nutrient | Amount per 100 g | % DV |
|---|---|---|
| Calories C | 34 kcal | |
| Total fat ? | 0.4 g | 0.5% |
| Saturated fat ? | 0.067 g | 0.3% |
| Trans fat Z | 0 g | |
| Cholesterol Z | 0 mg | 0% |
| Sodium ? | 17 mg | 0.7% |
| Total carbohydrates C | 6.5 g | 2% |
| Dietary fiber I | 2.4 g | 9% |
| Total sugars I | 2.2 g | |
| Protein ? | 1.9 g | 4% |
| Vitamin C ? | 27 mg | 30% |
| Vitamin D Z | 0 µg | 0% |
| Vitamin E I | 0.51 mg | 3% |
| Vitamin K I | 193 µg | 161% |
| Thiamin (B1) ? | 0.05 mg | 4% |
| Riboflavin (B2) ? | 0.09 mg | 7% |
| Niacin (B3) ? | 0.4 mg | 3% |
| Pantothenic acid (B5) ? | 0.17 mg | 3% |
| Vitamin B6 ? | 0.072 mg | 4% |
| Folate (B9) C | 16 µg | 4% |
| Vitamin B12 Z | 0 µg | 0% |
| Choline I | 5.3 mg | 1% |
| Calcium ? | 18 mg | 1% |
| Iron ? | 1.2 mg | 7% |
| Magnesium ? | 23 mg | 5% |
| Phosphorus ? | 49 mg | 4% |
| Potassium ? | 212 mg | 5% |
| Zinc ? | 0.52 mg | 5% |
| Copper ? | 0.07 mg | 8% |
| Manganese ? | 0.14 mg | 6% |
| Selenium I | 0.6 µg | 1% |
% 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 20%
- Carbohydrates 70%
- Fat 10%
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
- Protein1.9 gbelow the median for vegetables and vegetable products (median 2 g)
- Fiber2.4 gabove the median for vegetables and vegetable products (median 2.2 g)
- Sugars2.2 gbelow the median for vegetables and vegetable products (median 2.3 g)
- Fat0.4 gabove the median for vegetables and vegetable products (median 0.3 g)
- Saturated fat0.067 gabove the median for vegetables and vegetable products (median 0.052 g)
- Sodium17 mgbelow the median for vegetables and vegetable products (median 36 mg)
- Protein per 100 kcal5.6 gprotein density, useful for comparing foods with different calorie levels
- Water90.5 gwater per 100 g, which largely explains differences between raw, cooked and dried forms
Full nutrient profile
Fats and cholesterol (2)
| Monounsaturated fat ? | 0.056 g |
|---|---|
| Polyunsaturated fat ? | 0.16 g |
Amino acids (17)
| Tryptophan ? | 0.021 g |
|---|---|
| Threonine ? | 0.074 g |
| Isoleucine ? | 0.081 g |
| Leucine ? | 0.11 g |
| Lysine ? | 0.095 g |
| Methionine ? | 0.021 g |
| Phenylalanine ? | 0.061 g |
| Tyrosine ? | 0.055 g |
| Valine ? | 0.084 g |
| Arginine ? | 0.14 g |
| Histidine ? | 0.033 g |
| Alanine ? | 0.086 g |
| Aspartic acid ? | 0.18 g |
| Glutamic acid ? | 0.39 g |
| Glycine ? | 0.094 g |
| Proline ? | 0.13 g |
| Serine ? | 0.086 g |
Individual fatty acids (6)
| Linoleic acid (omega-6, 18:2) ? | 0.15 g |
|---|---|
| SFA 14:0 ? | 0.002 g |
| SFA 16:0 ? | 0.06 g |
| SFA 18:0 ? | 0.005 g |
| MUFA 18:1 ? | 0.056 g |
| PUFA 18:3 ? | 0.008 g |
Carotenoids (2)
| Retinol Z | 0 µg |
|---|---|
| Vitamin D (D2 + D3), International Units Z | 0 IU |
Other components (9)
| Water ? | 90.5 g |
|---|---|
| Alcohol Z | 0 g |
| Caffeine Z | 0 mg |
| Ash ? | 0.7 g |
| Theobromine Z | 0 mg |
| Energy ? | 142 kJ |
| Vitamin A, IU ? | 1,160 IU |
| Folic acid Z | 0 µg |
| Folate, food ? | 16 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, 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
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Broccoli, raw Raw | 34 | 2.8 g | 6.6 g | 0.37 g |
| Cauliflower, raw Raw | 25 | 1.9 g | 5 g | 0.28 g |
| Green beans, raw Raw | 31 | 1.8 g | 7 g | 0.22 g |
| Cabbage, raw Raw | 25 | 1.3 g | 5.8 g | 0.1 g |
| Asparagus, raw Raw | 20 | 2.2 g | 3.9 g | 0.12 g |
| Green bell pepper, raw Raw | 20 | 0.86 g | 4.6 g | 0.17 g |
| Eggplant, raw Raw | 25 | 0.98 g | 5.9 g | 0.18 g |
| Romaine lettuce, raw Raw | 17 | 1.2 g | 3.3 g | 0.3 g |
Per 100 g. Calories in kcal. n/a: not reported by the source.
Frequently asked questions
How many calories are in raw onions?
100 g of raw onions has 34 kcal.
How much protein is in raw onions?
Raw onions contains 1.9 g of protein per 100 g (4% of the 50 g Daily Value). About 20% of its calories come from protein. Compared with other vegetables and vegetable products, that is below the median (median 2 g).
How many carbs are in raw onions?
Raw onions has 6.5 g of total carbohydrates per 100 g, including 2.4 g of fiber and 2.2 g of sugars.
How much fat is in raw onions?
Raw onions contains 0.4 g of fat per 100 g, of which 0.067 g is saturated (0.3% of the Daily Value).
What vitamins and minerals does raw onions contain?
Per 100 g, the most notable amounts relative to the Daily Value are Vitamin K (161% DV) and Vitamin C (30% DV). The full list is in the vitamins and minerals table above.
How much sodium is in raw onions?
100 g contains 17 mg of sodium, 0.7% of the 2,300 mg Daily Value.
Does onions have the same nutrition raw and cooked?
No. Per 100 g, onions, welsh, raw has 34 kcal, while onions, cooked, boiled, drained, without salt has 44 kcal. Cooking 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 170007. License: CC0 1.0 (U.S. public domain). Source record dated April 1, 2019. Imported November 6, 2026.
Last updated: . Data quality score: 95/100 (how it is calculated).
General nutrition information, not medical advice. Individual needs differ; see our disclaimer.