Issues

• Request for: floating-point operation (FLOP) and floating-point operations per second (FLOPS)

  ucum-org/ucum#423 · Filter by author averageFOSSenjoyer opened on Sep 9, 2026

• Interoperability review request: MRQU quantity-kind/chart semantics with UCUM

  ucum-org/ucum#422 · Filter by author borg00008888-cmd opened on Aug 27, 2026

• ucum-essence.xml missing binary prefixes Pi, Ei, Zi, Yi

  ucum-org/ucum#421 · Filter by author jgsuess opened on Jun 25, 2026

• Local unit concepts - Mapping or adopting?

  ucum-org/ucum#420 · Filter by author chgessner opened on Apr 15, 2026
  1

  

• Link to UCUM functional tests missing

  ⏱️accepted
  Bug

  ucum-org/ucum#419 · Filter by author plynchnlm opened on Mar 11, 2026
  2

• Request for: {Clot signal units}/min

  ⏱️committee-review
  Units

  ucum-org/ucum#418 · Filter by author timbrisc opened on Feb 9, 2026
  1

• Write deka as deca

  ucum-org/ucum#417 · Filter by author KenKor opened on Jan 23, 2026

• Complete list of UCUM

  ucum-org/ucum#415 · Filter by author maxine-art opened on Dec 17, 2025
  1

• First draft document "The use of annotations in UCUM"

  ucum-org/ucum#414 · Filter by author JozefAerts opened on Dec 2, 2025

• 10*3.[AU]/L cannot validate @ units-of-measurement.org/

  ucum-org/ucum#413 · Filter by author LozanoO-06 opened on Nov 5, 2025
  1

• Request for: New Units of Measure to be used by NSWHP pt2

  ucum-org/ucum#412 · Filter by author MattP311 opened on Oct 22, 2025

• Request for an unit: 50% Chicken Infective Dose

  ucum-org/ucum#411 · Filter by author AAndics opened on Oct 8, 2025
  2

• Publish identifying information

  ⏱️committee-review
  Feature

  ucum-org/ucum#410 · Filter by author timbrisc opened on Sep 2, 2025
  2

  

• Request for: New Units of Measure to be used by NSWHP

  ucum-org/ucum#409 · Filter by author MattP311 opened on Jul 30, 2025
  1

• Definition of 'canonical' form

  ucum-org/ucum#408 · Filter by author fhnaumann opened on Jul 29, 2025

• Create a showcase of UCUM implementations

  ⏱️accepted
  Feature

  ucum-org/ucum#407 · Filter by author timbrisc opened on Jul 9, 2025
  1

  

• Unit ID object exists in ucum-source, but is missing in ucum-essence.xml file

  ⏱️evaluating
  Support

  ucum-org/ucum#402 · Filter by author MITBROWN-KAL opened on Jun 25, 2025
  7

• ucumate: New Java Library for UCUM Expression

  ⏱️accepted
  Feature

  ucum-org/ucum#401 · Filter by author fhnaumann opened on Jun 11, 2025
  2

  

• Astronomical unit value outdated

  ⏱️accepted
  Bug

  ucum-org/ucum#400 · Filter by author Antoine-Zimmermann opened on May 22, 2025
  1

• Integer Units in place of Simple Units with Exponents and Annotations

  ⏱️committee-review
  Support

  ucum-org/ucum#399 · Filter by author fhnaumann opened on May 20, 2025
  6

• Move existing, open conversations to Issues

  ⏱️accepted
  Administrative

  ucum-org/ucum#398 · Filter by author timbrisc opened on May 15, 2025
  

• Retire Discussions section

  ⏱️accepted
  Administrative

  ucum-org/ucum#397 · Filter by author timbrisc opened on May 15, 2025
  

• Request for: Debye as CGS unit for the electric dipole moment

  ⏱️accepted
  Units

  ucum-org/ucum#396 · Filter by author langenbergstefan opened on May 13, 2025
  4

• Request for: acre (international)

  ⏱️accepted
  Units

  ucum-org/ucum#390 · Filter by author dbhart opened on Mar 15, 2025
  1

• Request for: acre-foot

  ⏱️accepted
  Units

  ucum-org/ucum#389 · Filter by author dbhart opened on Mar 15, 2025
  3