How much potassium is in brewed black tea?

88 milligrams of potassium in 1 cup (8 fluid ounce)

Potassium in other portions of brewed black tea
Portion	Potassium
1 fluid ounce	11 milligrams of potassium in 1 fluid ounce
6 fluid ounces	66 milligrams of potassium in 6 fluid ounces
100 g	37 milligrams of potassium in 100 g

See everything in a serving of Tea, black, brewed

Where these numbers come from

USDA FoodData Central, SR Legacy, record 173227. The source describes it as: Beverages, tea, black, brewed, prepared with tap water.

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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