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Neurology & psychiatry

Homovanillic acid (CSF): convert nmol/L to ng/mL

ng/mL = nmol/L × 0.1822

Calculator

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

Conversion formulas

nmol/L → ng/mLng/mL = nmol/L × 0.1822
ng/mL → nmol/Lnmol/L = ng/mL × 5.489

Conversion table

Highlighted: values inside the adult reference range.

nmol/Lng/mL
10018.22
20036.44
30054.65
40072.87
50091.09
600109.3
700127.5
800145.7
900164

Reference range

111 – 371 nmol/L = 20.22 – 67.59 ng/mL

Source: Burlina et al. (2017): The utility of CSF for the diagnosis of primary and secondary monoamine neurotransmitter deficiencies, EJIFCC 28:64-75 (PMC) · Last reviewed: 2026-10-19

Frequently asked questions

How do I convert Homovanillic acid (CSF) from nmol/L to ng/mL?

ng/mL = nmol/L × 0.1822. For example, 200 nmol/L equals 36.4 ng/mL.

How many ng/mL are 200 nmol/L?

200 nmol/L equal 36.4 ng/mL (Homovanillic acid (CSF)).

How do I convert Homovanillic acid (CSF) from ng/mL back to nmol/L?

nmol/L = ng/mL × 5.489.

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