Heart & coagulation

CK: convert µkat/L to U/L

U/L = µkat/L × 60

Calculator

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

µkat/L U/L

Conversion formulas

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

Conversion table

Highlighted: values inside the adult reference range.

µkat/L	U/L
1	60
2	120
3	180
4	240
5	300
6	360
7	420
8	480
9	540
10	600
11	660
12	720
13	780

Reference range

0.4167 – 5.333 µkat/L = 25 – 320 U/L

Source: Age, sex and ethnicity changes in creatine kinase (Clin Med 2026), quoting UK Pathology Harmony intervals · Last reviewed: 2026-10-14

Frequently asked questions

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

U/L = µkat/L × 60. For example, 3 µkat/L equals 180 U/L.

How many U/L are 3 µkat/L?

3 µkat/L equal 180 U/L (CK).

How do I convert CK from U/L back to µkat/L?

µkat/L = U/L × 0.01667.

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