1. What is Bilirubin Conversion?

Bilirubin conversion involves transforming bilirubin concentration values from micromoles per liter (μmol/L) to milligrams per liter (mg/L) using the molecular weight of bilirubin. This conversion is essential for standardizing laboratory measurements across different reporting systems.

2. How Does the Calculator Work?

The calculator uses the conversion formula:

Where:

• \( \mu\text{mol/L} \) — Bilirubin concentration in micromoles per liter
• \( \text{Molecular Weight} \) — Molecular weight of bilirubin (584.66 g/mol)
• 1000 — Conversion factor from micrograms to milligrams

Explanation: The formula converts the molar concentration to mass concentration using the molecular weight of the substance.

3. Importance of Bilirubin Conversion

Details: Accurate bilirubin conversion is crucial for clinical diagnosis, monitoring liver function, and ensuring consistent reporting across different laboratory systems and international standards.

4. Using the Calculator

Tips: Enter bilirubin concentration in μmol/L and the molecular weight (default is 584.66 g/mol for bilirubin). All values must be valid positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: Why convert μmol/L to mg/L?
A: Different laboratories and countries use different units for reporting bilirubin levels. Conversion ensures consistency and proper interpretation of results.

Q2: What is the molecular weight of bilirubin?
A: The molecular weight of bilirubin is approximately 584.66 g/mol, which is the default value in this calculator.

Q3: When is this conversion needed?
A: This conversion is needed when comparing results from different laboratory systems or when specific clinical protocols require measurements in mg/L instead of μmol/L.

Q4: Are there limitations to this conversion?
A: The conversion is mathematically precise but assumes pure bilirubin. In clinical practice, conjugated and unconjugated bilirubin may have slightly different properties.

Q5: Can this calculator be used for other substances?
A: Yes, by changing the molecular weight value, this calculator can convert any substance from μmol/L to mg/L.