Composition, per 100 g
Onions, raw
Survey (FNDDS), published . Onions.
The figure that matters here
- As salt, if all of it is sodium chloride
- 0.00g / 100 g
Derived: sodium x 2.5, the ratio of the molar mass of sodium chloride to sodium. Not a FoodData Central figure, and only true where the sodium came from salt.
Full row
| Nutrient | Per 100 g | Unit |
|---|---|---|
| Sodium | 1 | mg |
| Energy | 38 | kcal |
| Water | 90.31 | g |
| Carbohydrate | 8.46 | g |
| Fibre | 1.7 | g |
| Protein | 0.86 | g |
| Fat | 0.08 | g |
| Calcium | 17 | mg |
| Iron | 0.24 | mg |
| Potassium | 171 | mg |
| Magnesium | 9 | mg |
| Vitamin C | 8.2 | mg |
| Vitamin K | 0.4 | ug |
U.S. Department of Agriculture, Agricultural Research Service. FoodData Central. fdc.nal.usda.gov. Retrieved 2026-09-06. FDC ID 2709795. Full record.