How much sodium is in 1 teaspoon of baking soda?
1,259 milligrams of sodium in 1 teaspoon
| Portion | Sodium |
|---|---|
| ½ teaspoon | 629 milligrams of sodium in ½ teaspoon |
| 100 g | 27,360 milligrams of sodium in 100 g |
Where these numbers come from
USDA FoodData Central, SR Legacy, record 175040. The source describes it as: Leavening agents, baking soda.
U.S. Department of Agriculture, Agricultural Research Service, Beltsville Human Nutrition Research Center. FoodData Central. [Internet]. [cited 11 October 2026]. Available from https://fdc.nal.usda.gov/. Releases used: Foundation Foods, April 2026; SR Legacy, April 2018; Survey Foods (FNDDS 2021-2023), October 2024.
Data built on 11 October 2026 (data-2026-10-11).