Drugs & toxicology

Fluoxetine (+ norfluoxetine) unit converter

SSRI antidepressant, monitored together with its active metabolite norfluoxetine

Also known as: Prozac

Converter

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

ng/mL mg/L µg/dL

Worked example

310 ng/mL (middle of the reference range) = 0.31 mg/L

Conversion formulas

mg/L	mg/L = ng/mL × 0.001	ng/mL = mg/L × 1000
µg/dL	µg/dL = ng/mL × 0.1	ng/mL = µg/dL × 10

Reference range

Unit	Adults
ng/mL	120 – 500
mg/L	0.12 – 0.5
µg/dL	12 – 50

Source: TDM-VIGIL trial, Fluoxetine (adult reference range 120-500 ng/mL) · Last reviewed: 2026-10-14

Note from the source: Therapeutic reference range of fluoxetine plus norfluoxetine 120-500 ng/mL in adults (AGNP consensus, as cited in the source)

Frequently asked questions

How do I convert Fluoxetine (+ norfluoxetine) from ng/mL to mg/L?

mg/L = ng/mL × 0.001. In the other direction: ng/mL = mg/L × 1000.

What is the reference range of Fluoxetine (+ norfluoxetine)?

For adults the range is 120 – 500 ng/mL (TDM-VIGIL trial, Fluoxetine (adult reference range 120-500 ng/mL)). Reference ranges differ between laboratories and partly by sex and age; use the range printed on your lab report.

Which units are used for Fluoxetine (+ norfluoxetine)?

Common units are ng/mL, mg/L, µg/dL.