Calories in Raw Onions
1 raw onion (148 g) has 56 calories, with 1.3 g of protein, 0.1 g of fat and 13 g of carbohydrates. Per 100 grams, raw onions has 38 calories.
Most of the calories in raw onions come from carbohydrates (89%). Raw onions is low in calories. It has more calories per gram than 47% of the 606 vegetables in our database.
Raw Onions Calorie Calculator
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Raw Onions calories by serving size
Common amounts of raw onions with calories and macros. Tap a row for its full nutrition page.
| Serving | Weight | Calories | Protein | Fat | Carbs |
|---|---|---|---|---|---|
| 1 ring | 5 g | 2 | 0 g | 0 g | 0.4 g |
| 2 rings | 10 g | 4 | 0.1 g | 0 g | 0.8 g |
| 1 slice | 15 g | 6 | 0.1 g | 0 g | 1.3 g |
| 2 slices | 30 g | 11 | 0.3 g | 0 g | 2.5 g |
| 50g | 50 g | 19 | 0.4 g | 0 g | 4.2 g |
| 1/2 cup | 80 g | 30 | 0.7 g | 0.1 g | 6.8 g |
| 100g | 100 g | 38 | 0.9 g | 0.1 g | 8.5 g |
| 4 oz | 113 g | 43 | 1 g | 0.1 g | 9.6 g |
| 1 raw onion | 148 g | 56 | 1.3 g | 0.1 g | 13 g |
| 1 cup | 160 g | 61 | 1.4 g | 0.1 g | 14 g |
| 200g | 200 g | 76 | 1.7 g | 0.2 g | 17 g |
| 2 raw onions | 296 g | 112 | 2.5 g | 0.2 g | 25 g |
Raw Onions vs similar foods
Calories per 100 g compared with other vegetables.
Raw Onions: common questions
How many calories are in 1 raw onion?
1 raw onion (148 g) has 56 calories.
How many calories are in 100 grams of raw onions?
100 grams of raw onions has 38 calories, 0.9 g of protein, 0.1 g of fat and 8.5 g of carbohydrates.
How much protein is in raw onions?
Raw onions has 0.9 g of protein per 100 g. 1 raw onion gives you 1.3 g.
Is raw onions high in calories?
Raw onions has 38 calories per 100 g. It has more calories per gram than 47% of the 606 vegetables in our database. A 2,000 calorie day fits about 52.6 kg of it.
More about raw onions
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Weights and conversions
Source: USDA FoodData Central, FNDDS 2021-2023. FDC ID 2709795. Original description: Onions, raw. Portion weights are USDA household measures.