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Lorazepam unit converter

Lorazepam level in serum or plasma (drug monitoring; angst, Status epilepticus)

Converter

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

Worked example

10 nmol/L = 3.21 ng/mL

Conversion formulas

nmol/Lnmol/L = ng/mL × 3.113ng/mL = nmol/L × 0.3212

Good to know

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

Reference range

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Source: PubChem: Lorazepam · 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 321.2 g/mol. Drug levels must be interpreted by the treating team; this is not a dosing recommendation.

Frequently asked questions

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

nmol/L = ng/mL × 3.113. In the other direction: ng/mL = nmol/L × 0.3212.

Which units are used for Lorazepam?

Common units are ng/mL, nmol/L.

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