Tramadol unit converter
Tramadol level in serum or plasma (drug monitoring; schmerz, Toxikologie)
Converter
Enter a value in any unit and all other units fill in.
Worked example
10 nmol/L = 2.63 ng/mL
Conversion formulas
| nmol/L | nmol/L = ng/mL × 3.797 | ng/mL = nmol/L × 0.2634 |
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Good to know
Tramadol is reported in ng/mL or nmol/L. The page converts between the units only.
- nmol/L × 0.2634 = ng/mL (exact factor 0.2634).
- 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: PubChem: Tramadol · Last reviewed: 2026-10-19
Note from the source: No established reference range; the page converts units only. Mass-to-amount conversion uses a molar mass of 263.37 g/mol. Drug levels must be interpreted by the treating team; this is not a dosing recommendation.