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Update ASTRONOMICAL_UNIT definition to IAU 2012 standard

Status: Open.

#211 In unitsofmeasurement/uom-systems;

· yososs opened on Feb 24, 2026

Fix/improve formatting of USCustomary.SQUARE_FOOT

format

system

Status: Open.

#210 In unitsofmeasurement/uom-systems;

· keilw opened on Jan 19, 2026

systems-ucum should depend on systems-quantity

analysis

bug

Status: Open.

#209 In unitsofmeasurement/uom-systems;

· mjog opened on Dec 9, 2025

·  

2.2.1

Unitsymbol parse and format again with UCUMFormt fails

analysis

format

Status: Open.

#208 In unitsofmeasurement/uom-systems;

· ChMThiel opened on Aug 21, 2025

Artefact si.uom/si-units contains quantity Classes

Status: Open.

Bug

#206 In unitsofmeasurement/uom-systems;

· alexanderkiel opened on Jun 28, 2025

·  

2.2.1

help find my way in uom and related libs

Status: Open.

#207 In unitsofmeasurement/uom-systems;

· reeg33 opened on Aug 22, 2024

UCUMConverterFormatter serializes seconds * 10^-5 weird

analysis

format

Status: Open.

#191 In unitsofmeasurement/uom-systems;

· addict3d opened on Jun 9, 2021

Add support for UN/CEFACT Common Codes for specifying unit of measurement

enhancement

system

task

Status: Open.

#184 In unitsofmeasurement/uom-systems;

· keilw opened on Mar 13, 2021

Liters per 100 km to mpg conversion issue

analysis

bug

Status: Open.

#177 In unitsofmeasurement/uom-systems;

· eulogi opened on Sep 21, 2020

Should we define a quantity Arbitrary or is Dimensionless enough?

question

system:ucum

Status: Open.

#174 In unitsofmeasurement/uom-systems;

· keilw opened on Sep 4, 2020

Syntax validation and differences between uom-systems/ucum and ucum-essence.xml

enhancement

help wanted

system:ucum

Status: Open.

#173 In unitsofmeasurement/uom-systems;

· JohnTimm opened on Aug 13, 2020

Support QUDT?

help wanted

question

system

Status: Open.

#156 In unitsofmeasurement/uom-systems;

· keilw opened on Nov 18, 2019