Potassium Needs Calculator
Potassium has an adequate intake, not an RDA. It is 3400 mg for adult men and 2600 mg for adult women.
Result
Enter the values and press Calculate. Numbers outside the allowed range produce no result.
How is it calculated?
Potatoes, dried legumes, bananas, yogurt and green vegetables carry potassium. Potassium salt substitutes are a separate medical decision.
Men AI = 3400 mg Women AI = 2600 mg
Reference table
| Adult | Adequate intake |
|---|---|
| Women | 2600 mg |
| Men | 3400 mg |
How should you read the result?
Kidney failure and some blood-pressure medicines restrict potassium. This page does not lift that restriction or recommend a high intake.
Frequently asked questions
How much potassium per day?
2600 mg for adult women and 3400 mg for adult men.
Is a banana enough?
A medium banana has about 400 mg. That is a small piece of the daily target.
Does potassium lower blood pressure?
Adequate potassium is linked to blood pressure at population level when sodium is high. It does not replace medicine.
Should I supplement?
Potassium pills are not risk-free for the gut and heart. Prefer food and do not start pills without a clinician.