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Potassium Correction Formula Calculator

Please enter a potassium level between 1.0 and 7.0 mEq/L.
Please enter a valid weight in kilograms.

References and Safety Notes

This page provides a rough potassium deficit estimate and safety guidance only. Potassium replacement orders must follow local protocol with renal function, urine output, ECG risk, infusion route, concentration limits, magnesium status, and repeat serum potassium monitoring.

  • StatPearls - Potassium Reference for oral/IV potassium administration, infusion-rate cautions, renal impairment cautions, and ECG/monitoring requirements.
  • StatPearls - Hypokalemia Reference for hypokalemia management, magnesium correction, monitoring frequency, and the rough total-body potassium deficit rule.
  • Local hospital potassium replacement protocol Institutional concentration, route, central/peripheral line, and maximum infusion-rate policies should override generic estimates.