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Drugs & toxicology

Clonazepam unit converter

Clonazepam level in serum or plasma (drug monitoring; epilepsie, Angst)

Converter

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

Worked example

25.5 ng/mL (middle of the reference range) = 80.8 nmol/L

Conversion formulas

nmol/Lnmol/L = ng/mL × 3.167ng/mL = nmol/L × 0.3157
µg/dLµg/dL = ng/mL × 0.1ng/mL = µg/dL × 10
ng/dLng/dL = ng/mL × 100ng/mL = ng/dL × 0.01

Good to know

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

Reference range

UnitAdults
ng/mL13 – 38
nmol/L41.18 – 120.4
µg/dL1.3 – 3.8
ng/dL1300 – 3800

Source: Reference ranges for antiepileptic drugs revisited (ILAE ranges), Drug Des Devel Ther 2018 · Last reviewed: 2026-10-19

Note from the source: 0.013-0.038 mg/L (13-38 ng/mL) (ILAE ranges as listed in Drug Des Devel Ther 2018, blood taken before the next dose). Individual targets differ.

Frequently asked questions

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

nmol/L = ng/mL × 3.167. In the other direction: ng/mL = nmol/L × 0.3157.

What is the reference range of Clonazepam?

For adults the range is 13 – 38 ng/mL (Reference ranges for antiepileptic drugs revisited (ILAE ranges), Drug Des Devel Ther 2018). Reference ranges differ between laboratories and partly by sex and age; use the range printed on your lab report.

Which units are used for Clonazepam?

Common units are ng/mL, nmol/L, µg/dL, ng/dL.

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