Sodium Correction Calculator
Male (TBW factor 0.6)
Female (TBW factor 0.5)
Formula
Na Deficit = TBW × (Desired Na − Current Na). TBW = Weight × 0.6 (male) or 0.5 (female).
Frequently Asked Questions
How is sodium deficit calculated?
Sodium deficit = Total Body Water × (Desired Na − Current Na). TBW is estimated as weight × 0.6 for males and weight × 0.5 for females.
How fast should sodium be corrected?
Sodium should generally be corrected no faster than 8–10 mEq/L per 24 hours to avoid osmotic demyelination syndrome. Rapid correction is dangerous.