How much potassium is in cucumber?
76 milligrams of potassium in ½ cup slices
| Portion | Potassium |
|---|---|
| 1 cucumber (8-1/4 inch) | 442 milligrams of potassium in 1 cucumber (8-1/4 inch) |
| 100 g | 147 milligrams of potassium in 100 g |
Where these numbers come from
USDA FoodData Central, SR Legacy, record 168409. The source describes it as: Cucumber, with peel, raw.
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).