Drugs & toxicology

Carbamazepine unit converter

Anti-seizure drug level (therapeutic range)

Also known as: CBZ, Carbamazepina, Tegretol, Timonil, Carbatrol

Converter

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

mg/L µmol/L mg/dL µg/dL µg/L

Worked example

8 mg/L (middle of the reference range) = 33.9 µmol/L

Conversion formulas

µmol/L	µmol/L = mg/L × 4.232	mg/L = µmol/L × 0.2363
mg/dL	mg/dL = mg/L × 0.1	mg/L = mg/dL × 10
µg/dL	µg/dL = mg/L × 100	mg/L = µg/dL × 0.01
µg/L	µg/L = mg/L × 1000	mg/L = µg/L × 0.001

Reference range

Unit	Adults
mg/L	4 – 12
µmol/L	16.93 – 50.79
mg/dL	0.4 – 1.2
µg/dL	400 – 1200
µg/L	4000 – 12 000

Source: FDA drug label (DailyMed): carbamazepine · Last reviewed: 2026-10-14

Note from the source: Usual adult therapeutic levels 4-12 mcg/mL (FDA label)

Frequently asked questions

How do I convert Carbamazepine from mg/L to mg/dL?

mg/dL = mg/L × 0.1. In the other direction: mg/L = mg/dL × 10.

What is the reference range of Carbamazepine?

For adults the range is 4 – 12 mg/L (FDA drug label (DailyMed): carbamazepine). Reference ranges differ between laboratories and partly by sex and age; use the range printed on your lab report.

Which units are used for Carbamazepine?

Common units are mg/L, µmol/L, mg/dL, µg/dL, µg/L.