Lidocaine unit converter
Local anaesthetic and antiarrhythmic drug (blood level)
Also known as: Lignocaine, Xylocaine, Lidocain
Converter
Enter a value in any unit and all other units fill in.
Worked example
3.1 µg/mL (middle of the reference range) = 13.2 µmol/L
Conversion formulas
| µmol/L | µmol/L = µg/mL × 4.267 | µg/mL = µmol/L × 0.2343 |
|---|---|---|
| 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
Lidocaine is a drug. Its blood level is reported in µg/mL or µmol/L.
- 1 µg/mL = 1 mg/L.
- The range shown is a therapeutic or target range, not a normal range, and it depends on the indication and the laboratory. This page converts units only and gives no dosing advice.
Reference range
| Unit | Adults |
|---|---|
| µg/mL | 1.2 – 5 |
| µmol/L | 5.121 – 21.34 |
| mg/dL | 0.12 – 0.5 |
| µg/dL | 120 – 500 |
| µg/L | 1200 – 5000 |
Source: MedlinePlus (NLM): Therapeutic drug levels · Last reviewed: 2026-10-19
Note from the source: Target level 1.2-5.0 µg/mL (5-21 µmol/L) (MedlinePlus)