Anion Gap Calculator
Sodium (Na+) mEq/L
Please enter a valid sodium level.
Chloride (Cl-) mEq/L
Please enter a valid chloride level.
Bicarbonate (HCO3-) mEq/L
Please enter a valid bicarbonate level.
Calculate Anion Gap
Anion Gap:
Formula: Na+ - (Cl- + HCO3-)