Ethambutol (post-dose) unit converter
Ethambutol level in serum or plasma (drug monitoring; tuberkulose)
Converter
Enter a value in any unit and all other units fill in.
Worked example
4 µg/mL (middle of the reference range) = 19.6 µmol/L
Conversion formulas
| µmol/L | µmol/L = µg/mL × 4.895 | µg/mL = µmol/L × 0.2043 |
|---|---|---|
| mg/dL | mg/dL = µg/mL × 0.1 | µg/mL = mg/dL × 10 |
| µg/dL | µg/dL = µg/mL × 100 | µg/mL = µg/dL × 0.01 |
| µg/L | µg/L = µg/mL × 1000 | µg/mL = µg/L × 0.001 |
Good to know
Ethambutol (post-dose) is reported in µg/mL or µmol/L. The page converts between the units only.
- µmol/L × 0.2043 = µg/mL (exact factor 0.2043).
- The range shown is a guide from the named source; targets and reference ranges differ between laboratories, methods and indications, so compare with the range on your own report.
Reference range
| Unit | Adults |
|---|---|
| µg/mL | 2 – 6 |
| µmol/L | 9.789 – 29.37 |
| mg/dL | 0.2 – 0.6 |
| µg/dL | 200 – 600 |
| µg/L | 2000 – 6000 |
Source: Severn Pathology (North Bristol NHS Trust): Ethambutol · Last reviewed: 2026-10-19
Note from the source: Post-dose 2-6 mg/L (15 mg/kg once daily); pre-dose below 1 mg/L (Severn Pathology).