Is milk high in potassium?
Milk can contribute useful potassium, but the exact label depends on serving size. Use the table on this page to compare your portion against the 4,700 mg Daily Value.
Potassium in Milk
Milk is a reliable potassium source that fits breakfast, shakes, and cooking without extra planning.
Quick answer
Milk contain about 342 mg potassium per 1 cup (244g). That is about 7.3% of Daily Value.
Per serving
342 mg
1 cup (244g)
Per 100g
140 mg
% Daily Value
7.3%
- Milk, whole: about 132 mg per 100g.
- Milk, skim: about 156 mg per 100g.
Potassium by serving size
| Serving | Potassium (mg) | %DV |
|---|---|---|
| 1 cup (244g) | 342 mg | 7.3% |
| 2 cups (488g) | 683 mg | 14.5% |
| 1/2 cup (122g) | 171 mg | 3.6% |
Most fluid milk options keep potassium in a similar range, so consistency matters more than chasing tiny differences.
Compare with related foods
Related potassium links
FAQ
How much potassium is in 1 cup (244g) of milk?
Use the serving rows above for the exact estimate. Potassium values come from USDA FoodData Central and are shown as milligrams plus percent Daily Value.
How many mg of potassium are in milk?
There is no single number for every situation. Potassium changes with portion size and preparation style, which is why this page shows per 100g and common serving options.
Does preparation change potassium in milk?
Yes. Cooking method, water loss, and product differences can shift potassium values. Keep preparation consistent when you compare meals over time.
Data source
Potassium values on this page are based on USDA FoodData Central entries and shown as educational estimates. Real values vary with preparation, brand, and exact portion size.
Disclaimer
Educational nutrition information only. Not medical advice or treatment guidance. If you need personal guidance, especially for kidney-related restrictions, review nutrition decisions with a licensed clinician.
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