Anti-Xa activity (heparin) unit converter
Anti-Xa activity (heparin monitoring)
Also known as: Anti-Xa-Aktivität (Heparin)
Converter
Enter a value in any unit and all other units fill in.
Conversion formulas
| Equivalent notations | IU/mL = kIU/L | 1 : 1 |
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Good to know
Anti-Xa activity (heparin) is reported in IU/mL or kIU/L. The page converts between the units only.
- 1 kIU/L = 1 IU/mL; the two notations are interchangeable.
- No established reference range is listed here; compare your result only with the range printed on your own report.
Reference range
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Source: BIPM: SI prefixes · Last reviewed: 2026-10-19
Note from the source: No established reference range; the page converts units only. Both units describe the same quantity and differ only by a prefix.