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Neurology & psychiatry

Serotonin (whole blood): convert ng/mL to nmol/L

nmol/L = ng/mL × 5.675

Calculator

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

Conversion formulas

ng/mL → nmol/Lnmol/L = ng/mL × 5.675
nmol/L → ng/mLng/mL = nmol/L × 0.1762

Conversion table

Highlighted: values inside the adult reference range.

ng/mLnmol/L
50283.7
100567.5
150851.2
2001135
2501419
3001702
3501986
4002270
4502554
5002837
5503121

Reference range

0 – 230 ng/mL = 0 – 1305 nmol/L

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

Frequently asked questions

How do I convert Serotonin (whole blood) from ng/mL to nmol/L?

nmol/L = ng/mL × 5.675. For example, 100 ng/mL equals 567 nmol/L.

How many nmol/L are 100 ng/mL?

100 ng/mL equal 567 nmol/L (Serotonin (whole blood)).

How do I convert Serotonin (whole blood) from nmol/L back to ng/mL?

ng/mL = nmol/L × 0.1762.

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