Cooked onion Calories and Nutrition Facts
Onions, cooked, boiled, drained, with salt · Vegetables
per 100 g42 kcal
Protein1.36 g
Carbohydrate9.56 g
Fat0.19 g
Fibre1.4 g
Sugars4.73 g
Where the calories come fromProtein 12% · Carbohydrate 84% · Fat 4%
Gram calculator
Calories42 kcal
Protein1.36 g
Carbohydrate9.56 g
Fat0.19 g
Nutrition facts table (100 g)
| Energy | 42 kcal |
|---|---|
| Energy | 176 kJ |
| Protein | 1.36 g |
|---|---|
| Total fat | 0.19 g |
| Carbohydrate | 9.56 g |
| Water | 87.9 g |
| Alcohol | 0 g |
| Saturated fat | 0.03 g |
|---|---|
| Monounsaturated fat | 0.03 g |
| Polyunsaturated fat | 0.07 g |
| Trans fat | 0 g |
| Cholesterol | 0 mg |
| Omega-3 EPA | 0 g |
| Omega-3 DHA | 0 g |
| Sugars | 4.73 g |
|---|---|
| Dietary fibre | 1.4 g |
| Sodium | 239 mg |
|---|---|
| Salt | 0.6 g |
| Calcium | 22 mg |
| Iron | 0.24 mg |
| Magnesium | 11 mg |
| Phosphorus | 35 mg |
| Potassium | 166 mg |
| Zinc | 0.21 mg |
| Copper | 0.07 mg |
| Manganese | 0.15 mg |
| Selenium | 0.6 µg |
| Vitamin A (RAE) | 0 µg |
|---|---|
| Vitamin C | 5.2 mg |
| Vitamin D (D2 + D3) | 0 µg |
| Vitamin E (alpha-tocopherol) | 0.02 mg |
| Vitamin K (phylloquinone) | 0.5 µg |
| Thiamin (B1) | 0.04 mg |
| Riboflavin (B2) | 0.02 mg |
| Niacin (B3) | 0.17 mg |
| Pantothenic acid (B5) | 0.11 mg |
| Vitamin B6 | 0.13 mg |
| Folate (DFE) | 15 µg |
| Vitamin B12 | 0 µg |
| Choline | 6.8 mg |
| Caffeine | 0 mg |
|---|
Values per serving
| Serving | Grams | kcal | Protein | Carbohydrate | Fat |
|---|---|---|---|---|---|
| tbsp chopped | 15 | 6.3 | 0.2 g | 1.43 g | 0.03 g |
| large | 128 | 53.8 | 1.74 g | 12.2 g | 0.24 g |
| small | 60 | 25.2 | 0.82 g | 5.74 g | 0.11 g |
| cup | 210 | 88.2 | 2.86 g | 20.1 g | 0.4 g |
| slice thin | 8 | 3.36 | 0.11 g | 0.76 g | 0.02 g |
| slice medium (1/8" thick) | 12 | 5.04 | 0.16 g | 1.15 g | 0.02 g |
| medium | 94 | 39.5 | 1.28 g | 8.99 g | 0.18 g |
| slice large (1/4" thick) | 32 | 13.4 | 0.44 g | 3.06 g | 0.06 g |
Calories by weight
| Grams | 25 g | 50 g | 100 g | 150 g | 200 g | 250 g |
|---|---|---|---|---|---|---|
| Calories (kcal) | 10.5 | 21 | 42 | 63 | 84 | 105 |
Frequently asked questions
- How many calories are in 100 g of cooked onion?
- 100 g of cooked onion has 42 kcal (176 kJ). 50 g is 21 kcal, 150 g is 63 kcal, 200 g is 84 kcal.
- How much protein, carbohydrate and fat does cooked onion have?
- Per 100 g: 1.36 g protein, 9.56 g carbohydrate, 0.19 g fat; fibre 1.4 g, sugars 4.73 g.
- How many calories are in a serving of cooked onion?
- tbsp chopped: 15 g, 6.3 kcal; large: 128 g, 53.8 kcal; small: 60 g, 25.2 kcal.
- How do I get the nutrition facts of cooked onion from an API?
- From the ServiceBox Nutrition & Calories API: GET /v1/nutrition/foods/170100. The answer has every nutrient per 100 g and the portions as JSON; /v1/nutrition/calculate totals the calories of a recipe. The free tier allows 10 requests a day.
Get this data through the API
Every food's full nutrition facts, servings and the recipe calorie calculator are in the ServiceBox Nutrition & Calories API. The free tier allows 10 requests a day.
curl https://api.servicebox.io/v1/nutrition/foods/170100 \ -H "Authorization: Bearer $SERVICEBOX_API_KEY"