Vegetables
Onion, raw
1 cup, chopped (160 g) contains 14.9 g of total carbohydrate, including 2.7 g of fiber.
This reference represents “Onions, raw”. Choose the preparation that matches your food; varieties and recipes can differ.
USDA FoodData Central · FDC 170000 ↗What’s in your portion?
Total carbohydrate
14.9g
In 160 g of onion, raw
Energy
64 kcal
Dietary fiber
2.7 g
Total sugars
6.8 g
Protein
1.8 g
Total fat
0.2 g
Sodium
6 mg
— means the source does not report a value. Household measures are specific to this food.
Nutrition per 100 g
| Total carbohydrate | 9.3 g |
|---|---|
| Dietary fiber | 1.7 g |
| Total sugars | 4.2 g |
| Protein | 1.1 g |
| Total fat | 0.1 g |
| Energy | 40 kcal |
| Saturated fat | <0.1 g |
| Sodium | 4 mg |
Total carbohydrate includes dietary fiber. Sugars and fiber are components, not amounts to add to the carbohydrate total. — means not reported.
Common portions
| Portion | Weight | Carbs |
|---|---|---|
| 1 cup, chopped | 160 g | 14.9 g |
| 1 slice, medium (1/8" thick) | 14 g | 1.3 g |
| 1 medium (2-1/2" dia) | 110 g | 10.3 g |
| 1 large | 150 g | 14 g |
| 1 rings | 6 g | 0.6 g |
| 1 tbsp chopped | 10 g | 0.9 g |
| 1 cup, sliced | 115 g | 10.7 g |
| 1 slice, thin | 9 g | 0.8 g |
Portion weights come from this food’s USDA record. Measurements describe edible amounts; the illustration is not a weight guide.
A source you can check
SR Legacy, April 2018. Original description: Onions, raw.
View original USDA record ↗Imported and mechanically checked October 26, 2026. How we handle the data.
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