Composition, per 100 g
Onions, cooked, no added fat
Survey (FNDDS), published . Onions.
The figure that matters here
- As salt, if all of it is sodium chloride
- 0.35g / 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 | 141 | mg |
| Energy | 47 | kcal |
| Water | 86.88 | g |
| Carbohydrate | 10.96 | g |
| Fibre | 2 | g |
| Protein | 1.29 | g |
| Fat | 0.12 | g |
| Calcium | 27 | mg |
| Iron | 0.25 | mg |
| Potassium | 171 | mg |
| Magnesium | 12 | mg |
| Vitamin C | 7.4 | mg |
| Vitamin K | 0.5 | ug |
U.S. Department of Agriculture, Agricultural Research Service. FoodData Central. fdc.nal.usda.gov. Retrieved 2026-09-06. FDC ID 2709950. Full record.