Urine & CSF

Norepinephrine (24-h urine) unit converter

Norepinephrine (noradrenaline) excreted in 24-hour urine

Also known as: Noradrenaline 24-hour urine, Urinary norepinephrine, Noradrenalin im Urin

Converter

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

µg/24 h nmol/24 h

Worked example

396 nmol/24 h (middle of the reference range) = 67 µg/24 h

Conversion formulas

µg/24 h	µg/24 h = nmol/24 h × 0.1692	nmol/24 h = µg/24 h × 5.911

Good to know

Norepinephrine (noradrenaline) in 24-hour urine is reported in µg/24 h or in nmol/24 h.

µg/24 h × 5.91 = nmol/24 h (exact factor 5.911).
Collect the urine for exactly 24 hours into an acidified container; stress, caffeine and some drugs raise the result.

Reference range

Unit	Adults
µg/24 h	14.04 – 119.9
nmol/24 h	83 – 709

Source: MedlinePlus (NLM): Catecholamines - urine · Last reviewed: 2026-10-19

Note from the source: 14-120 µg/24 h (83-709 nmol/24 h) (MedlinePlus). Methods and laboratories differ; stress, caffeine and several drugs raise the value

Frequently asked questions

How do I convert Norepinephrine (24-h urine) from nmol/24 h to µg/24 h?

µg/24 h = nmol/24 h × 0.1692. In the other direction: nmol/24 h = µg/24 h × 5.911.

What is the reference range of Norepinephrine (24-h urine)?

For adults the range is 83 – 709 nmol/24 h (MedlinePlus (NLM): Catecholamines - urine). Reference ranges differ between laboratories and partly by sex and age; use the range printed on your lab report.

Which units are used for Norepinephrine (24-h urine)?

Common units are µg/24 h, nmol/24 h.