Transferrin Saturation Calculator
Calculate transferrin saturation to assess iron metabolism and storage
Iron Studies Parameters
Normal: 65-175 µg/dL
Normal: 250-450 µg/dL
Transferrin Saturation Results
Formula used (TIBC Method):
Medical Disclaimer
This calculator is for educational purposes only. Transferrin saturation results should be interpreted by a healthcare provider in conjunction with other clinical findings and laboratory tests.
Example Calculations
TIBC Method Example
Serum Iron (Fe): 112 µg/dL
TIBC: 310 µg/dL
Calculation: (112 / 310) * 100
Result: 36.1% transferrin saturation
Transferrin Method Example
Serum Iron (Fe): 90 µg/dL
Transferrin (TF): 310 mg/dL
Calculation: (90 / 310) * 70.9
Result: 20.6% transferrin saturation
Understanding Transferrin
What is Transferrin?
Iron transport protein produced by the liver
TIBC
Total Iron-Binding Capacity - indirect measure of transferrin
Transferrin Saturation
Percentage of transferrin that carries iron
Clinical Significance
Low Transferrin Saturation (<15%)
Iron deficiency, chronic blood loss, poor absorption
Normal Range
Male: 15-50%, Female: 12-45%
High Transferrin Saturation (>50%)
Iron overload, hemochromatosis, liver disease
Understanding Transferrin Saturation
What is Transferrin Saturation?
Transferrin saturation is a measure of how much iron is bound to transferrin relative to the total iron-binding capacity. It reflects the body's iron status and helps diagnose iron deficiency or iron overload conditions.
Clinical Applications
- •Diagnose iron deficiency anemia
- •Screen for hemochromatosis
- •Monitor iron therapy effectiveness
- •Assess chronic disease impact on iron
Calculation Methods
TIBC Method
TSAT = (Serum Iron / TIBC) * 100
Most commonly used method
Transferrin Method
TSAT = (Serum Iron / Transferrin) * 70.9
Direct transferrin measurement
Note: Both methods should give similar results. The constant 70.9 converts transferrin (mg/dL) to iron-binding capacity (µg/dL).