AST unit converter
Convert AST between U/L and µkat/L. Type in either box. The factors come from our catalog and are checked by code.
AI-verified against cited sources. Awaiting expert reviewLast reviewed 2026-10-03
1 U/L = 0.0167 µkat/L. Nothing you type here leaves your browser.
The conversion
- 1 U/L = 0.01667 µkat/LFrom U/L to µkat/L: divide by 60. Back again: multiply by 60.
Common values
From zero to about twice the usual upper limit, plus the usual limits themselves.
| U/L | µkat/L |
|---|---|
| 8 | 0.13 |
| 10 | 0.17 |
| 20 | 0.33 |
| 30 | 0.5 |
| 40 | 0.67 |
| 43 | 0.72 |
| 48 | 0.8 |
| 50 | 0.83 |
| 60 | 1 |
| 70 | 1.17 |
| 80 | 1.33 |
| 90 | 1.5 |
Usual ranges in each unit
What labs print as the reference range, by who was tested. Sources for each range are on the AST page.
| Who | U/L | µkat/L |
|---|---|---|
| Men, 14+ | 8–48 | 0.13–0.8 |
| Women, 14+ | 8–43 | 0.13–0.72 |
| Men, 1–13 | 8–60 | 0.13–1 |
| Women, 1–13 | 8–50 | 0.13–0.83 |