TempoLife › Calorie database › Vegetables › Onions, cooked
Onions, cooked calories and nutrition facts
100 grams of onions, cooked contains 44 calories, with 1.4 g of protein, 10.2 g of carbohydrate and 0.2 g of fat. It provides 1.4 g of fiber and 4.7 g of sugar per 100 g. Most of its calories come from carbohydrate.
Where the calories come from
Protein 12% Carbs 85% Fat 3%
How onions, cooked compares
Per 100 g, against the closest vegetables in this database.
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Onions, cooked | 44 kcal | 1.4 g | 10.2 g | 0.2 g |
| Beets, cooked | 44 kcal | 1.7 g | 10 g | 0.2 g |
| Beet | 43 kcal | 1.6 g | 9.6 g | 0.2 g |
| Tomato sauce with onions, canned | 42 kcal | 1.6 g | 9.9 g | 0.2 g |
| Celeriac | 42 kcal | 1.5 g | 9.2 g | 0.3 g |
Nutrition facts for onions, cooked
| Nutrient | Per 100 g |
|---|---|
| Calories | 44 kcal |
| Protein | 1.4 g |
| Carbohydrate | 10.2 g |
| Fat | 0.2 g |
| Fiber | 1.4 g |
| Sugar | 4.7 g |
| Saturated fat | 0 g |
| Salt | 0 g |
Print an EU-style nutrition label for onions, cooked — per 100 g and per portion.
Vitamins and minerals in onions, cooked
Per 100 g, highest share of the Daily Value first. %DV = the adult Daily Value (FDA reference). USDA reference data — not medical advice.
| Nutrient | Per 100 g | %DV |
|---|---|---|
| Copper | 0.07 mg | 8% |
| Vitamin B6 | 0.13 mg | 8% |
| Manganese | 0.15 mg | 7% |
| Vitamin C | 5.2 mg | 6% |
| Potassium | 166 mg | 4% |
| Magnesium | 11 mg | 3% |
| Phosphorus | 35 mg | 3% |
| Thiamin (B1) | 0.04 mg | 3% |
See the richest foods per nutrient in the nutrient toplists.
Calories in common onions, cooked servings
How many calories in a portion of onions, cooked — reference serving estimates with the gram weight shown.
| Serving | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| 1 slice, thin (8 g) | 3.5 kcal | 0.1 g | 0.8 g | 0 g |
| 1 slice, medium (12 g) | 5.3 kcal | 0.2 g | 1.2 g | 0 g |
| 1 slice, large (32 g) | 14 kcal | 0 g | 3 g | 0 g |
| 1 medium (94 g) | 41 kcal | 1 g | 10 g | 0 g |
| 100 g (100 g) | 44 kcal | 1 g | 10 g | 0 g |
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Frequently asked questions
How many calories are in onions, cooked?
Onions, cooked has 44 calories per 100 grams.
How much protein is in onions, cooked?
Onions, cooked contains 1.4 g of protein per 100 g.
How much sugar is in onions, cooked?
Onions, cooked contains 4.7 g of sugar per 100 g. Nutrition values are reference figures; brands and preparation change the real amount, so weigh and log what you actually eat.
Are these onions, cooked calories exact?
No. These are per-100-gram reference values from the USDA FoodData Central SR Legacy source family. Portion size, ripeness, cut and cooking method all change the real number, so treat them as an estimate and log your own portion.
Related foods
Source: USDA FoodData Central SR Legacy #170001 (2018-04 release). US Government work — public domain in the United States. Reference values per 100 g edible portion.
