Phenobarbital unit converter
Convert phenobarbital between mcg/mL and µmol/L. Type in either box. The factors come from our catalog and are checked by code.
AI-verified against cited sources. Awaiting expert reviewLast reviewed 2026-10-03
1 mcg/mL = 4.3061 µmol/L. Nothing you type here leaves your browser.
The conversion
- 1 mcg/mL = 4.306 µmol/LFrom mcg/mL to µmol/L: multiply by 4.306. Back again: divide by 4.306.
mcg/mL and mg/L give the same number.
Mass and molar units are linked by the molecular weight: 232.23 g/mol (phenobarbital, C12H12N2O3). Source: PubChem, National Library of Medicine.
Common values
From zero to about twice the usual upper limit, plus the usual limits themselves.
| mcg/mLsame as mg/L | µmol/L |
|---|---|
| 10 | 43 |
| 15 | 65 |
| 20 | 86 |
| 30 | 129 |
| 40 | 172 |
| 50 | 215 |
| 60 | 258 |
| 70 | 301 |
| 80 | 344 |
Usual ranges in each unit
What labs print as the reference range, by who was tested. Sources for each range are on the Phenobarbital page.
| Who | mcg/mL | µmol/L |
|---|---|---|
| Adults | 15–40 | 65–172 |