Liver & pancreas

GGT unit converter

Gamma-glutamyl transferase (liver and bile enzyme)

Also known as: Gamma-GT, γ-GT, GGTP, Gamma-glutamyl transferase, Gamma-glutamyl transpeptidase, Gamma-glutamiltransferasa

Converter

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

µkat/L U/L

Worked example

22.5 U/L (middle of the reference range) = 0.375 µkat/L

Conversion formulas

µkat/L	µkat/L = U/L × 0.01667	U/L = µkat/L × 60

Reference range

Unit	Adults
µkat/L	0.0833 – 0.6667
U/L	5 – 40

Source: MedlinePlus (NLM): Gamma-glutamyl transferase (GGT) blood test · Last reviewed: 2026-10-14

Note from the source: Adults 5-40 U/L (0.08-0.67 µkat/L) (MedlinePlus)

Frequently asked questions

How do I convert GGT from U/L to µkat/L?

µkat/L = U/L × 0.01667. In the other direction: U/L = µkat/L × 60.

What is the reference range of GGT?

For adults the range is 5 – 40 U/L (MedlinePlus (NLM): Gamma-glutamyl transferase (GGT) 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 GGT?

Common units are µkat/L, U/L.