Ganzoni Equation for Iron Deficiency Anemia

Iron deficit (mg) = weight × (target Hb − actual Hb) × 2.4 + 500 if iron stores depleted; default target 15 g/dL (men) or 11 g/dL (women) per.

Calculator

Enter values (target Hb auto-fills from sex if left blank):

Educational tool only—not for diagnosis or treatment decisions.