Anion Gap Calculator
Sodium Na⁺ (mEq/L)
Chloride Cl⁻ (mEq/L)
Bicarbonate HCO₃⁻ (mEq/L)
Albumin g/dL (default 4)
The anion gap detects unmeasured anions in plasma. AG > 12 mEq/L indicates high-anion-gap metabolic acidosis (DKA, lactic acidosis, toxins — MUDPILES mnemonic).
References
🔒
100% Free
No sign-up ever
✓
Accurate
Verified formulas
⚡
Instant
Results as you type
📱
Mobile Ready
All devices