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Drugs & toxicology

MDMA unit converter

MDMA level in serum or plasma (drug monitoring; drogenscreening)

Converter

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

Worked example

10 nmol/L = 1.93 ng/mL

Conversion formulas

nmol/Lnmol/L = ng/mL × 5.175ng/mL = nmol/L × 0.1932

Good to know

MDMA is reported in ng/mL or nmol/L. The page converts between the units only.

Reference range

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Source: PubChem: 3,4-Methylenedioxymethamphetamine · 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 193.24 g/mol. Drug levels must be interpreted by the treating team; this is not a dosing recommendation.

Frequently asked questions

How do I convert MDMA from ng/mL to nmol/L?

nmol/L = ng/mL × 5.175. In the other direction: ng/mL = nmol/L × 0.1932.

Which units are used for MDMA?

Common units are ng/mL, nmol/L.

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