Anion Gap Calculator

Free calculate anion gap from electrolyte panel. Get instant, accurate results with our easy-to-use calculator.

Electrolyte Values

For corrected anion gap calculation

Results

Enter electrolyte values to calculate anion gap

About Anion Gap

  • • Normal range: 8-12 mEq/L (or 12±4 depending on reference)
  • • High anion gap: >12 mEq/L suggests metabolic acidosis
  • • Low anion gap: <8 mEq/L may indicate hypoalbuminemia