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Levofloxacin (pre-dose) unit converter

Levofloxacin level in serum or plasma (drug monitoring; pneumonie, Tuberkulose)

Converter

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

Worked example

1.25 µg/mL (middle of the reference range) = 3.46 µmol/L

Conversion formulas

µmol/Lµmol/L = µg/mL × 2.767µg/mL = µmol/L × 0.3614
mg/dLmg/dL = µg/mL × 0.1µg/mL = mg/dL × 10
µg/dLµg/dL = µg/mL × 100µg/mL = µg/dL × 0.01
µg/Lµg/L = µg/mL × 1000µg/mL = µg/L × 0.001
nmol/Lnmol/L = µg/mL × 2767µg/mL = nmol/L × 0.0003614

Good to know

Levofloxacin (pre-dose) is reported in µg/mL or µmol/L. The page converts between the units only.

Reference range

UnitAdults
µg/mL0.5 – 2
µmol/L1.383 – 5.534
mg/dL0.05 – 0.2
µg/dL50 – 200
µg/L500 – 2000
nmol/L1384 – 5534

Source: Severn Pathology (North Bristol NHS Trust): Levofloxacin · Last reviewed: 2026-10-19

Note from the source: Pre-dose 0.5-2 mg/L; post-dose 8-13 mg/L (Severn Pathology). The MIC of the infecting organism is critical for interpretation.

Frequently asked questions

How do I convert Levofloxacin (pre-dose) from µg/mL to mg/dL?

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

What is the reference range of Levofloxacin (pre-dose)?

For adults the range is 0.5 – 2 µg/mL (Severn Pathology (North Bristol NHS Trust): Levofloxacin). Reference ranges differ between laboratories and partly by sex and age; use the range printed on your lab report.

Which units are used for Levofloxacin (pre-dose)?

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

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