Electrolytes & fluids Health Calculators

Anion Gap Calculator

Anion Gap Calculator

This calculator helps you estimate the anion gap based on sodium (Na⁺), chloride (Cl⁻), and bicarbonate (HCO₃⁻) levels measured in blood serum. In advanced mode, there is an option to input potassium (K⁺) and albumin levels to get a more accurate result or to see the anion gap corrected for albumin. Read on to understand the anion gap calculation, to learn what is anion gap and what is a normal anion gap.

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