Anion Gap Calculator

Calculate anion gap for acid-base balance assessment and metabolic disorder diagnosis

Anion Gap Calculation

Enter serum electrolyte values to calculate anion gap

Advanced Mode

Enable advanced calculation features including Delta Gap, albumin-corrected AG, and Delta Ratio analysis

Calculation Formula

Unit

Serum Sodium (Na+) (mEq/L)*

Serum Chloride (Cl-) (mEq/L)*

Serum Bicarbonate (HCO3-) (mEq/L)*

AG = Na+ - (Cl- + HCO3-)

Normal Range: 8-16 mEq/L

Medical Reminder

This calculator is for reference by medical professionals only and cannot replace professional medical diagnosis and treatment.

If anion gap is abnormal, please consult a doctor promptly for further examination and treatment.

Calculation History

No calculation records

Medical Disclaimer

This tool is for educational purposes only and should not be used as a substitute for professional medical diagnosis or advice.