Liver & pancreas

Total bilirubin unit converter

Breakdown product of red blood cells (liver marker)

Also known as: Bilirubin, TBIL, T. Bili, Serum bilirubin, Gesamtbilirubin, Bilirubine totale

Converter

Enter a value in any unit and all other units fill in.

mg/dL µmol/L mg/L µg/dL

Worked example

10.5 µmol/L (middle of the reference range) = 0.614 mg/dL

Conversion formulas

mg/dL	mg/dL = µmol/L × 0.05848	µmol/L = mg/dL × 17.1
mg/L	mg/L = µmol/L × 0.5847	µmol/L = mg/L × 1.71
µg/dL	µg/dL = µmol/L × 58.47	µmol/L = µg/dL × 0.0171

Reference range

Unit	Adults
mg/dL	0 – 1.228
µmol/L	0 – 21
mg/L	0 – 12.28
µg/dL	0 – 1228

Source: Pathology Harmony Group (ACB, IBMS, RCPath): Agreed Adult Clinical Biochemistry Reference Intervals, January 2011 · Last reviewed: 2026-10-14

Note from the source: Below 21 µmol/L (upper limit only). UK Pathology Harmony consensus of the Association for Clinical Biochemistry, the Institute of Biomedical Science and the Royal College of Pathologists.

Frequently asked questions

How do I convert Total bilirubin from µmol/L to mg/dL?

mg/dL = µmol/L × 0.05848. In the other direction: µmol/L = mg/dL × 17.1.

What is the reference range of Total bilirubin?

For adults the range is 0 – 21 µmol/L (Pathology Harmony Group (ACB, IBMS, RCPath): Agreed Adult Clinical Biochemistry Reference Intervals, January 2011). Reference ranges differ between laboratories and partly by sex and age; use the range printed on your lab report.

Which units are used for Total bilirubin?

Common units are mg/dL, µmol/L, mg/L, µg/dL.