Anion gap unit converter
Calculated gap between measured cations and anions (acid-base workup)
Converter
Enter a value in any unit and all other units fill in.
Reference range
| Unit | Adults |
|---|---|
| mmol/L = mEq/L | 8 – 12 |
Source: StatPearls (NCBI Bookshelf): Anion gap and non-anion gap metabolic acidosis · Last reviewed: 2026-10-14
Note from the source: 8-12 mEq/L without potassium (12-16 with potassium); newer ion-selective electrode methods give lower values (about 3-11)