MedConvert
Hormones

Cortisol: convert µg/dL to nmol/L

nmol/L = µg/dL × 27.59

Calculator

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

Conversion formulas

µg/dL → nmol/Lnmol/L = µg/dL × 27.59
nmol/L → µg/dLµg/dL = nmol/L × 0.03625

Conversion table

Highlighted: values inside the adult reference range.

µg/dLnmol/L
5137.9
10275.9
15413.9
20551.8
25689.8
30827.7
35965.6
401104
451242
501380
551517
601655

Reference range

5.002 – 25.01 µg/dL = 138 – 690 nmol/L

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

Frequently asked questions

How do I convert Cortisol from µg/dL to nmol/L?

nmol/L = µg/dL × 27.59. For example, 15 µg/dL equals 414 nmol/L.

How many nmol/L are 15 µg/dL?

15 µg/dL equal 414 nmol/L (Cortisol).

How do I convert Cortisol from nmol/L back to µg/dL?

µg/dL = nmol/L × 0.03625.

More conversions