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

µmol/L = µg/dL × 0.01758. In the other direction: µg/dL = µmol/L × 56.89.

Which units are used for Lutein?

Common units are µmol/L, µg/dL.

Iron & vitamins

Lutein (macular pigment)

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

µmol/L µg/dL

1 µmol/L = 56.9 µg/dL

µmol/L	µmol/L = µg/dL × 0.01758	µg/dL = µmol/L × 56.89

Lutein is reported in µg/dL or µmol/L. The page converts between the units only.

µmol/L × 56.89 = µg/dL (exact factor 56.89).
No established reference range is listed here; compare your result only with the range printed on your own report.

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Source: PubChem: Lutein A · Last reviewed: 2026-10-19

Note from the source: No established reference range; the page converts units only. Mass-to-amount conversion uses a molar mass of 568.9 g/mol.