Electrolytes & minerals

Selenium unit converter

Trace element (serum selenium)

Also known as: Se, Serum selenium, Selenio

Converter

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

µmol/L µg/L µg/dL nmol/L ng/dL

Worked example

1.1 µmol/L (middle of the reference range) = 86.9 µg/L

Conversion formulas

µg/L	µg/L = µmol/L × 78.99	µmol/L = µg/L × 0.01266
µg/dL	µg/dL = µmol/L × 7.897	µmol/L = µg/dL × 0.1266
nmol/L	nmol/L = µmol/L × 1000	µmol/L = nmol/L × 0.001
ng/dL	ng/dL = µmol/L × 7897	µmol/L = ng/dL × 0.0001266

Reference range

Unit	Adults
µmol/L	0.8 – 1.4
µg/L	63.19 – 110.6
µg/dL	6.318 – 11.06
nmol/L	800 – 1400
ng/dL	6318 – 11 056

Source: Alfred Health Pathology Handbook: Selenium · Last reviewed: 2026-10-14

Note from the source: Plasma selenium, adults 0.8-1.4 µmol/L (children lower). Whole-blood and plasma values have different ranges and must not be mixed

Frequently asked questions

How do I convert Selenium from µmol/L to µg/L?

µg/L = µmol/L × 78.99. In the other direction: µmol/L = µg/L × 0.01266.

What is the reference range of Selenium?

For adults the range is 0.8 – 1.4 µmol/L (Alfred Health Pathology Handbook: Selenium). Reference ranges differ between laboratories and partly by sex and age; use the range printed on your lab report.

Which units are used for Selenium?

Common units are µmol/L, µg/L, µg/dL, nmol/L, ng/dL.