Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

A1C Calculator

Convert HbA1c to estimated average blood glucose (eAG) or the other way, using the ADAG standard formula. Interpretation bands cover normal, prediabetes, and diabetes thresholds.

Direction

HbA1c (%)

Average glucose (eAG) (mg/dL)

Fill in the required fields to see your result.

Medicine

Anion Gap Calculator

Calculates the anion gap from serum sodium, chloride, and bicarbonate to help identify the cause of metabolic acidosis. Clinicians use it whenever a patient presents with unexplained acidosis or altered mental status.

Sodium (mEq/L)

Chloride (mEq/L)

Bicarbonate (mEq/L)

Fill in the required fields to see your result.

Key differences

	A1C Calculator	Anion Gap Calculator
Category	Medicine	Medicine
Inputs required	3	3
Result	Estimated result	Anion Gap (mEq/L)
What it does	Convert HbA1c to estimated average blood glucose (eAG) or the other way, using the ADAG standard formula. Interpretation bands cover normal, prediabetes, and diabetes thresholds.	Calculates the anion gap from serum sodium, chloride, and bicarbonate to help identify the cause of metabolic acidosis. Clinicians use it whenever a patient presents with unexplained acidosis or altered mental status.