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Neurology & psychiatry

Neopterin (CSF): convert ng/mL to nmol/L

nmol/L = ng/mL × 3.949

Calculator

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

Conversion formulas

ng/mL → nmol/Lnmol/L = ng/mL × 3.949
nmol/L → ng/mLng/mL = nmol/L × 0.2532

Conversion table

Highlighted: values inside the adult reference range.

ng/mLnmol/L
27.898
415.8
623.69
831.59
1039.49
1247.39
1455.29
1663.18
1871.08
2078.98

Reference range

0 – 8.61 ng/mL = 0 – 34 nmol/L

Source: Molero-Luis et al. (2013): CSF neopterin analysis in neuropediatric patients, PLoS One (PMC) · Last reviewed: 2026-10-19

Frequently asked questions

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

nmol/L = ng/mL × 3.949. For example, 4 ng/mL equals 15.8 nmol/L.

How many nmol/L are 4 ng/mL?

4 ng/mL equal 15.8 nmol/L (Neopterin (CSF)).

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

ng/mL = nmol/L × 0.2532.

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