Urine & CSF

Amylase (urine) unit converter

Amylase enzyme activity in urine

Also known as: Urinary amylase, Urine amylase, Amylase im Urin, Amylasurie

Converter

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

µkat/L U/L

Worked example

253.5 U/L (middle of the reference range) = 4.22 µkat/L

Conversion formulas

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

Good to know

Urine amylase is an enzyme activity, reported in U/L or in µkat/L.

µkat/L × 60 = U/L.
Ranges differ between men and women; see the sex-specific values in the table.

Reference range

Unit	Adults	Men	Women
µkat/L	0.2667 – 8.183	0.2667 – 8.183	0.35 – 7.45
U/L	16 – 491	16 – 491	21 – 447

Source: MedlinePlus (NLM): Amylase - urine · Last reviewed: 2026-10-17

Note from the source: Women 21-447 U/L (0.36-7.60 µkat/L), men 16-491 U/L (0.27-8.35 µkat/L); methods differ (MedlinePlus)

Frequently asked questions

How do I convert Amylase (urine) 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 Amylase (urine)?

For adults the range is 16 – 491 U/L (MedlinePlus (NLM): Amylase - urine). Reference ranges differ between laboratories and partly by sex and age; use the range printed on your lab report.

Which units are used for Amylase (urine)?

Common units are µkat/L, U/L.