How do I convert Iron from µg/dL to µmol/L?

µmol/L = µg/dL × 0.1791. For example, 100 µg/dL equals 17.9 µmol/L.

How many µmol/L are 100 µg/dL?

100 µg/dL equal 17.9 µmol/L (Iron).

Iron & vitamins

µmol/L = µg/dL × 0.1791

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

µg/dL µmol/L

µg/dL → µmol/L	µmol/L = µg/dL × 0.1791
µmol/L → µg/dL	µg/dL = µmol/L × 5.583

Highlighted: values inside the adult reference range.

36.85 – 158 µg/dL = 6.6 – 28.3 µmol/L

Source: MedlinePlus (NLM): Iron blood test · Last reviewed: 2026-10-14