Proteins & inflammation

IgA unit converter

Antibody type of mucosal immunity

Also known as: Immunoglobulin A, Immunglobulin A, Immunoglobuline A, Inmunoglobulina A, Immunoglobulina A, Imunoglobulina A

Converter

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

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

Worked example

3 g/L (middle of the reference range) = 300 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	1 – 5
mg/dL	100 – 500
g/dL	0.1 – 0.5
mg/L	1000 – 5000

Source: MedlinePlus (NLM): Quantitative immunoglobulins · Last reviewed: 2026-10-14

Note from the source: 103-501 mg/dL (1.0-5.0 g/L) (MedlinePlus)

Frequently asked questions

How do I convert IgA 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 IgA?

For adults the range is 1 – 5 g/L (MedlinePlus (NLM): Quantitative immunoglobulins). Reference ranges differ between laboratories and partly by sex and age; use the range printed on your lab report.

Which units are used for IgA?

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