Ganzoni Equation Total Body Iron Deficit & IV Iron Replacement Dose Calculator

Compute cumulative IV iron replacement dose (mg) via the Ganzoni formula.

Total Body Iron Deficit (Ganzoni)
1,218.08 mg Elemental Iron
Circulating Hemoglobin Iron Deficit 718.08 mg
Storage Ferritin Replenishment 500 mg
200-mg Iron Sucrose Ampoules 7 doses
Inputs
⚡ Scenarios:
kg
Patient body weight in kilograms.
g/dL
Current measured hemoglobin (g/dL).
g/dL
Target hemoglobin concentration (g/dL; typically 13–15 g/dL).
mg
Target replenishment of ferritin iron stores (500 mg for adults ≥35 kg).
Results & Graph
Total Body Iron Deficit (Ganzoni)
1,218.08 mg Elemental Iron
Circulating Hemoglobin Iron Deficit
718.08 mg
Storage Ferritin Replenishment
500 mg
200-mg Iron Sucrose Ampoules
7 doses

Total Body Iron Deficit (Ganzoni)

Graph 1 • Ganzoni IV Iron Deficit • Domain Architecture & Live Telemetry Maps Patient Weight Kg, Actual Hemoglobin G Dl, Target Hemoglobin G Dl through Ganzoni IV Iron Deficit Formula.
Ganzoni IV Iron Deficit • Clinical & Physiological Reference Scale Low / Baseline Target / Reference Elevated / Watch High / Action Total Body Iron Deficit (Ganzoni): 1,218.08 mg Elemental Iron Circulating Hemoglobin Iro 718.08 mg Storage Ferritin Replenish 500 mg 200-mg Iron Sucrose Ampoul 7 doses
Graph 2 • Total Body Iron Deficit (Ganzoni) Across Patient Weight Kg Sweep (40% → 160%) Evaluates IronDeficit (mg) = Weight_kg × (Target_Hb_g_dL − Actual_Hb_g_dL) × 2.4 + across 7 operating points (current input highlighted).
0 mg Ele 906.9 mg Ele 1.8k mg Ele 787.2 27.20kg 930.9 40.80kg 1.1k 54.40kg 1.2k 68kg 1.4k 81.60kg 1.5k 95.20kg 1.6k 108.8kg
Graph 3 • Joint Sensitivity: Patient Weight Kg × Actual Hemoglobin G Dl Compares Total Body Iron Deficit (Ganzoni) when Actual Hemoglobin G Dl is shifted +25% (solid) vs. −25% (dashed).
0 mg Ele 1.0k mg Ele 2.1k mg Ele --- Actual Hemoglobin G Dl @ 75% 757.0 -30% 812.1 -15% 867.2 +0% 922.3 +15% 977.4 +30%
Summary: Raising Hb from 8.6 to 13 g/dL in a 68 kg patient requires 718 mg for circulating hemoglobin + 500 mg depot stores = 1218 mg total IV iron (~7 doses of 200 mg iron sucrose).
Summary: Raising Hb from 8.6 to 13 g/dL in a 68 kg patient requires 718 mg for circulating hemoglobin + 500 mg depot stores = 1218 mg total IV iron (~7 doses of 200 mg iron sucrose).
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Formula & Mathematical Methodology: Ganzoni IV Iron Deficit Formula

IronDeficit (mg) = Weightkg × (TargetHbgdL − ActualHbgdL) × 2.4 + IronStoresmg (typically 500 mg)
IronDeficit (mg) = Weight_kg × (Target_Hb_g_dL − Actual_Hb_g_dL) × 2.4 + IronStores_mg (typically 500 mg)
  • patientWeightKg: Patient Weight Kg (kg)
  • actualHemoglobinGDl: Actual Hemoglobin G Dl (g/dL)
  • targetHemoglobinGDl: Target Hemoglobin G Dl (g/dL)
  • depotIronStoresMg: Depot Iron Stores Mg (mg)

Rounding: Clinical scores round to statutory integer or decimal precision; physiological metrics round to 2 decimal places.

Worked Example: Clinical / Physiology Scenario: Ganzoni IV Iron Deficit

Compute cumulative IV iron replacement dose (mg) via the Ganzoni formula.

  1. Enter lab values, anthropometric measurements, or performance test metrics.
  2. Evaluate the reference equation: IronDeficit (mg) = Weight_kg × (Target_Hb_g_dL − Actual_Hb_g_dL) × 2.4 + IronStores_mg (typically 500 mg).
  3. Inspect the primary classification, supporting indices, and 3 SVG charts.
Result: Computes Ganzoni IV Iron Deficit via IronDeficit (mg) = Weight_kg × (Target_Hb_g_dL − Actual_Hb_g_dL) × 2.4 + IronStores_mg (typically 500 mg).

Frequently Asked Questions

How does the Ganzoni Equation Total Body Iron Deficit & IV Iron Replacement Dose Calculator compute its result?

It evaluates IronDeficit (mg) = Weight_kg × (Target_Hb_g_dL − Actual_Hb_g_dL) × 2.4 + IronStores_mg (typically 500 mg) directly in your browser and updates three custom SVG visualizations in real time.

Can I use Goal Seek to solve backwards for a target lab value or pace?

Yes. Click "🎯 Goal Seek" in the results toolbar to solve backwards for any numeric input parameter.

Are my health and biometric inputs kept private?

Yes. All calculations run 100% locally on your device with zero external transmission.

Health & Fitness · Hematology, Lab & Dosing

Ganzoni Equation Total Body Iron Deficit & IV Iron Replacement Dose Calculator: inputs, method, and how to read the result

Compute cumulative IV iron replacement dose (mg) via the Ganzoni formula.

Choose inputs for the case you are checking

The defaults are illustrative. Replace them with values for your case and keep the units shown beside each field.

  • Patient Weight Kg: Patient body weight in kilograms.
  • Actual Hemoglobin G Dl: Current measured hemoglobin (g/dL).
  • Target Hemoglobin G Dl: Target hemoglobin concentration (g/dL; typically 13–15 g/dL).
  • Depot Iron Stores Mg: Target replenishment of ferritin iron stores (500 mg for adults ≥35 kg).

What the calculation includes

With the default values shown, Total Body Iron Deficit (Ganzoni) is 1,218.08 mg Elemental Iron. The calculation follows Ganzoni IV Iron Deficit Formula; the formula and variable definitions above show how the inputs combine.

One-input check: With the other defaults held constant, changing Patient Weight Kg from 68 kg to 75 kg changes Total Body Iron Deficit (Ganzoni) from 1,218.08 mg Elemental Iron to 1,292 mg Elemental Iron. This is a comparison inside the calculator's stated model, not a prediction.

Where to use caution

  • Uses peer-reviewed clinical and sports physiology formulas.
  • For educational and informational reference only; clinical scores do not replace physician judgment or laboratory reference ranges.

Scope: Global Clinical & Sports Science Consensus Check the assumptions and limitations against your situation before relying on the estimate.

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