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Haptoglobin Unit Converter
Haptoglobin (Hp) is an alpha-2-globulin plasma protein synthesized by the liver. Its crucial function is to bind free hemoglobin released into the bloodstream during red blood cell (RBC) breakdown. This binding prevents the loss of iron through the kidneys and mitigates renal damage caused by free hemoglobin.
Clinically, Haptoglobin is the single most useful test for detecting intravascular hemolysis (RBC destruction within the vessels). When hemolysis occurs, Haptoglobin is rapidly consumed and cleared by the liver, leading to characteristically low or undetectable plasma levels. Conversely, as an acute-phase reactant, high levels indicate inflammation or infection. This converter allows switching between the SI unit (g/L) and the conventional unit (mg/dL).
SI Units
RecommendedGrams per liter or Micromoles per liter.
Conventional Units
Clinical Context
Reference Range: Normal Haptoglobin levels are approximately 50 – 200 mg/dL (0.5 – 2.0 g/L).
A result of < 30 mg/dL is highly suggestive of intravascular hemolysis. High levels are non-specific and usually indicate that Haptoglobin is functioning as an acute-phase reactant (rising in inflammation). The molar conversion relies on MW 86 kDa: 1 g/L ≈ 11.63 µmol/L.
Clinical References
How to Use This Calculator
Follow these steps to get accurate clinical conversions instantly.
Enter Values
Input your laboratory results into the corresponding unit field (e.g., mg/dL). You can use either dot or comma decimals.
Automatic Conversion
The calculator works in real-time. As you type in one field, all other units (like g/L and µmol/L) are instantly updated.
Verify Units
Check the SI Units section. g/L is the international standard for plasma proteins.
Reset
Use the Clear button to reset all fields before starting a new calculation.
Frequently Asked Questions & Tips
Yes. mg/dL and mg% are numerically identical.
Haptoglobin binds to free hemoglobin released from ruptured red blood cells. The resulting complex is quickly removed by the liver, causing plasma levels to drop dramatically.