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Daily Potassium Intake Calculator

Check your daily potassium intake against the recommended amount for your sex.

Result

Percent of Daily Recommendation
85%
Recommended Daily Amount
2,600 mg

Based on NIH Office of Dietary Supplements adequate intake recommendations. Most Americans consume well below these targets - bananas, potatoes, beans, and leafy greens are among the richest common dietary sources.

About the Potassium Intake

The Daily Potassium Intake Calculator checks how much potassium was consumed today against the adequate intake target for the entered sex. It is aimed at anyone tracking electrolyte or blood-pressure-related nutrition who wants a quick percentage rather than raw milligrams to interpret.

How It Works

You enter milligrams of potassium consumed and select male or female. The calculator looks up a fixed daily target, 3,400mg for male or 2,600mg for female, then divides the entered amount by that target and multiplies by 100 to produce a percentage of the recommendation.

rda = 3400 if gender is male, otherwise 2600. percentOfRda = (potassiumConsumed / rda) * 100.

Formula & Methodology

To calculate this manually, sum the potassium content of the day's food, which is typically listed in milligrams on nutrition labels or food databases. Divide that sum by 3,400 if male or 2,600 if female, then multiply by 100. For example, 1,800mg consumed by someone who selects female gives 1800 / 2600 x 100 = 69%.

Examples

A produce-heavy day for a male

A meal plan including a banana, a baked potato with skin, and a cup of white beans might total roughly 3,000mg of potassium. For a male target of 3,400mg, that is 3000 / 3400 x 100 = 88% of the recommendation.

A lower-produce day for a female

Someone logging about 1,700mg of potassium from a day without much fruit or legumes, selecting female, gets 1700 / 2600 x 100 = 65% of the 2,600mg target.

Advantages

  • Converts an easily overlooked nutrient into a clear percentage against an official reference value.
  • Uses just two inputs, so it takes only a few seconds to check after logging a day's meals.
  • Separates male and female targets, reflecting that the underlying recommended intake values differ by sex.

Common Mistakes

  • Confusing potassium with sodium or other electrolytes when reading a nutrition label, since they are tracked separately and have opposite dietary goals for most people.
  • Underestimating total potassium because many rich sources, like potatoes, beans, and leafy greens, are not as widely recognized for potassium content as bananas are.
  • Treating a single day's percentage as a complete nutritional picture rather than one data point in an ongoing eating pattern.

Edge Cases to Watch For

  • The target is a fixed two-tier value based only on sex, so it does not adjust for age, pregnancy, or kidney function, all of which can change appropriate potassium targets in a real clinical context.
  • There is no upper-limit warning in this calculator, only a percentage of the minimum target, so very high entered values simply produce a percentage above 100% without any flag.
  • Only one nutrient is tracked at a time; the calculator's own note points out that potassium's blood-pressure effect is discussed alongside sodium intake, which this tool does not account for.

Common Use Cases

  • Someone monitoring blood pressure-related nutrition who wants a quick check on whether potassium intake is keeping pace with sodium.
  • A person increasing fruit and vegetable intake who wants to verify the change is meaningfully moving the needle on potassium.
  • Anyone using a food diary who wants to translate a milligram total from that diary into a percentage that is easier to interpret at a glance.
Written & fact-checked by the Calculateus TeamLast updated August 5, 2026How we verify our formulas

Frequently asked questions

Why does potassium matter alongside sodium for blood pressure?

Potassium helps the kidneys excrete excess sodium and relaxes blood vessel walls, working somewhat in opposition to sodium's blood-pressure-raising effect - a diet with both high sodium and low potassium (common in heavily processed diets) tends to compound blood pressure risk more than either factor alone.

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Conclusion

This calculator gives a fast, sex-specific percentage view of daily potassium intake against a recognized adequate intake figure. It works best as a periodic check within a broader pattern of eating, rather than a one-time verdict on nutritional adequacy.

References