Electrolyte tool

Corrected Calcium Calculator

Quick albumin-corrected calcium estimate with SI and conventional unit support.

UnitTotal calcium (mmol/L)Albumin (g/L)

Corrected calcium

2.2 mmol/L

Formula: corrected calcium = calcium + 0.02 × (40 − albumin)

Interpretation

Within common reference range

Corrected calcium is an estimate only. Ionized calcium is preferred in critical illness, major acid-base disturbance, or extreme albumin states.