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Laboratory Medicine · Internal Medicine

25-OH Vitamin D ng/mL to nmol/L calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

ng/mL

Allowed range: 0.001–99999 ng/mL

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Clinical inputs

  • 25-hydroxyvitamin D (ng/mL)Accepted range: 0.001 to 99999

Primary source

Mayo Clinic Laboratories SI conversion (25-OH vitamin D). DOI: 10.1038/kisup.2012.76. PMID: 23356917. Scope: Converts ng/mL to nmol/L multiplying by 2.496. (2013)

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