Total bilirubin unit converter

Convert total bilirubin between mg/dL, µmol/L and mg/L. Type in either box. The factors come from our catalog and are checked by code.

AI-verified against cited sources. Awaiting expert reviewLast reviewed 2026-10-03

From

1 mg/dL = 17.1028 µmol/L. Nothing you type here leaves your browser.

The conversion

1 mg/dL = 17.1 µmol/LFrom mg/dL to µmol/L: multiply by 17.1. Back again: divide by 17.1.
1 mg/dL = 10 mg/LFrom mg/dL to mg/L: multiply by 10. Back again: divide by 10.

Mass and molar units are linked by the molecular weight: 584.7 g/mol (bilirubin, C33H36N4O6 (PubChem CID 5280352)). Source: PubChem, National Library of Medicine.

Common values

From zero to about twice the usual upper limit, plus the usual limits themselves.

Total bilirubin values in mg/dL, µmol/L and mg/L
mg/dL	µmol/L	mg/L
0.3	5	3
0.5	9	5
0.8	14	8
1	17	10
1.2	21	12
1.3	22	13
1.5	26	15
1.8	31	18
2	34	20
2.3	39	23

Usual ranges in each unit

What labs print as the reference range, by who was tested. Sources for each range are on the Total bilirubin page.

Usual ranges for Total bilirubin in mg/dL, µmol/L and mg/L
Who	mg/dL	µmol/L	mg/L
18+	0–1.2	0–21	0–12
1–17	0–1.2	0–21	0–12

mg/dL	µmol/L	mg/L
0.3	5	3
0.5	9	5
0.8	14	8
1	17	10
1.2	21	12
1.3	22	13
1.5	26	15
1.8	31	18
2	34	20
2.3	39	23

mg/dL	µmol/L	mg/L
0.3	5	3
0.5	9	5
0.8	14	8
1	17	10
1.2	21	12
1.3	22	13
1.5	26	15
1.8	31	18
2	34	20
2.3	39	23

mg/dL	µmol/L	mg/L
0.3	5	3
0.5	9	5
0.8	14	8
1	17	10
1.2	21	12
1.3	22	13
1.5	26	15
1.8	31	18
2	34	20
2.3	39	23