Transferrin saturation calculatorBy Dr. Costa / October 11, 2025 Transferrin saturation = (Serum iron / TIBC) × 100Transferrin Saturation Calculator (Auto)Transferrin Saturation CalculatorAuto-calculates: TSAT (%) = (Serum iron ÷ TIBC) × 100 • Units: μg/dL or μmol/L Serum iron μg/dLμmol/L TIBC (Total Iron-Binding Capacity) μg/dLμmol/L TSAT: — Interpretation: — Enter values; the result updates automatically. Typical adult reference range: 20–50% (lab-dependent). Note: 1 μmol/L ≈ 5.585 μg/dL (iron). Inputs are auto-converted to keep units consistent.Education only — not a diagnosis. Author Dr. CostaSpecialty Doctor, NHS, UK