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Iron & vitamins

Retinol: convert µg/dL to µmol/L

µmol/L = µg/dL × 0.0349

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

Conversion formulas

µg/dL → µmol/Lµmol/L = µg/dL × 0.0349
µmol/L → µg/dLµg/dL = µmol/L × 28.65

Conversion table

Highlighted: values inside the adult reference range.

µg/dLµmol/L
200.698
401.396
602.094
802.792
1003.49
1204.188
1404.886
1605.584
1806.282
2006.98
2207.678
2408.376
2609.074
2809.772
30010.47

Reference range

31.52 – 120.3 µg/dL = 1.1 – 4.2 µmol/L

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

Frequently asked questions

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

µmol/L = µg/dL × 0.0349. For example, 80 µg/dL equals 2.79 µmol/L.

How many µmol/L are 80 µg/dL?

80 µg/dL equal 2.79 µmol/L (Retinol).

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

µg/dL = µmol/L × 28.65.

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