Liver & pancreas

AST unit converter

Liver and muscle enzyme (aspartate aminotransferase)

Also known as: GOT, SGOT, ASAT, TGO, Aspartate aminotransferase, Aspartate transaminase

Converter

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

µkat/L U/L

Worked example

20.5 U/L (middle of the reference range) = 0.342 µkat/L

Conversion formulas

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

Reference range

Unit	Adults
µkat/L	0.1333 – 0.55
U/L	8 – 33

Source: MedlinePlus (NLM): Aspartate aminotransferase (AST) blood test · Last reviewed: 2026-10-14

Note from the source: 8-33 U/L (0.13-0.55 µkat/L); laboratory methods differ (MedlinePlus)

Frequently asked questions

How do I convert AST 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 AST?

For adults the range is 8 – 33 U/L (MedlinePlus (NLM): Aspartate aminotransferase (AST) 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 AST?

Common units are µkat/L, U/L.