How much potassium is in boiled potato?
548 milligrams of potassium in 1 medium (2-1/4 inch to 3-1/4 inch across)548 mg of potassium in 1 medium (2-1/4 inch to 3-1/4 inch across)
Potassium in other portions of boiled potato| Portion | Potassium |
|---|
| ½ cup | 256 milligrams of potassium in ½ cup256 mg |
|---|
| 1 large (3 inch to 4-1/4 inch across) | 984 milligrams of potassium in 1 large (3 inch to 4-1/4 inch across)984 mg |
|---|
| 1 small (1-3/4 inch to 2-1/2 inch across) | 410 milligrams of potassium in 1 small (1-3/4 inch to 2-1/2 inch across)410 mg |
|---|
| 100 g | 328 milligrams of potassium in 100 g328 mg |
|---|
See everything in a serving of Potato, boiled, no skin, no salt
Where these numbers come from
USDA FoodData Central, SR Legacy, record 170440. The source describes it as: Potatoes, boiled, cooked without skin, flesh, without salt.
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).
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