Proteins & inflammation

Haptoglobin unit converter

Protein that binds free hemoglobin (hemolysis marker)

Also known as: Hp, Haptoglobine, Haptoglobina

Converter

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

g/L mg/dL g/dL mg/L

Worked example

1.03 g/L (middle of the reference range) = 103 mg/dL

Conversion formulas

mg/dL	mg/dL = g/L × 100	g/L = mg/dL × 0.01
g/dL	g/dL = g/L × 0.1	g/L = g/dL × 10
mg/L	mg/L = g/L × 1000	g/L = mg/L × 0.001

Reference range

Unit	Adults
g/L	0.41 – 1.65
mg/dL	41 – 165
g/dL	0.041 – 0.165
mg/L	410 – 1650

Source: MedlinePlus (NLM): Haptoglobin blood test · Last reviewed: 2026-10-14

Note from the source: 41-165 mg/dL (410-1,650 mg/L) (MedlinePlus)

Frequently asked questions

How do I convert Haptoglobin from g/L to mg/dL?

mg/dL = g/L × 100. In the other direction: g/L = mg/dL × 0.01.

What is the reference range of Haptoglobin?

For adults the range is 0.41 – 1.65 g/L (MedlinePlus (NLM): Haptoglobin blood test). Reference ranges differ between laboratories and partly by sex and age; use the range printed on your lab report.

Which units are used for Haptoglobin?

Common units are g/L, mg/dL, g/dL, mg/L.