Delta-9-tetrahydrocannabinol (THC) unit converter
Delta-9-tetrahydrocannabinol (THC) level in serum or plasma (drug monitoring; cannabis, Verkehrsmedizin)
Converter
Enter a value in any unit and all other units fill in.
Worked example
10 nmol/L = 3.15 ng/mL
Conversion formulas
| nmol/L | nmol/L = ng/mL × 3.18 | ng/mL = nmol/L × 0.3145 |
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Good to know
Delta-9-tetrahydrocannabinol (THC) is reported in ng/mL or nmol/L. The page converts between the units only.
- nmol/L × 0.3145 = ng/mL (exact factor 0.3145).
- 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: Tetrahydrocannabinol · 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 314.5 g/mol. Drug levels must be interpreted by the treating team; this is not a dosing recommendation.