Updated

UPDATE_SCRIPT_MAINTENANCE_REPORT

2.5K

Standardised codes from Recommendation 20, mantained by UNECE. Data comes from the Excel file, merging Annex I and Annex II/III. It doesn't include units marked as deprecated and removed. level...

API Access

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Dataset Files

Each file has a stable URL (r-link) that you can use directly in scripts, apps, or AI agents. These URLs are permanent and safe to hardcode.

/core/unece-units-of-measure/
https://datahub.io/core/unece-units-of-measure/_r/-/.gitignore
https://datahub.io/core/unece-units-of-measure/_r/-/README.md
https://datahub.io/core/unece-units-of-measure/_r/-/UPDATE_SCRIPT_MAINTENANCE_REPORT.md
https://datahub.io/core/unece-units-of-measure/_r/-/build.gradle
https://datahub.io/core/unece-units-of-measure/_r/-/data/levels.csv
https://datahub.io/core/unece-units-of-measure/_r/-/data/units-of-measure.csv
https://datahub.io/core/unece-units-of-measure/_r/-/datapackage.json
https://datahub.io/core/unece-units-of-measure/_r/-/gradle/wrapper/gradle-wrapper.jar
https://datahub.io/core/unece-units-of-measure/_r/-/gradle/wrapper/gradle-wrapper.properties
https://datahub.io/core/unece-units-of-measure/_r/-/gradlew
https://datahub.io/core/unece-units-of-measure/_r/-/gradlew.bat
Key Files

Start with these files — they give you everything you need to understand and access the dataset.

datapackage.jsonmetadata & schema
https://datahub.io/core/unece-units-of-measure/_r/-/datapackage.json
README.mddocumentation
https://datahub.io/core/unece-units-of-measure/_r/-/README.md
Typical Usage
  1. 1. Fetch datapackage.json to inspect schema and resources
  2. 2. Download data resources listed in datapackage.json
  3. 3. Read README.md for full context

Data Previews

units-of-measure

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Schema

nametypedescription
StatusstringSee description of status in newest documentation PDF of recommendation no. 20
CommonCodestringUNECE code for the unit of measure
Namestring
Descriptionstring
LevelAndCategorystringSee levels.csv
SymbolstringThe symbol used to represent the unit of measure as in ISO 31 / 80000.
ConversionFactorstringThe value used to convert units to the equivalent SI unit when applicable.

levels

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Schema

nametype
LevelAndCategorystring
Descriptionstring

Data Files

FileDescriptionSizeLast modifiedDownload
units-of-measure
175 kB3 months ago
units-of-measure
levels
444 B3 months ago
levels
FilesSizeFormatCreatedUpdatedLicenseSource
2175 kBabout 2 months agoOpen Data Commons Public Domain Dedication and License v1.0UNECE

Update Script Maintenance Report

Date: 2026-03-04

  • Ran updater: ./gradlew clean generateData.
  • Root cause: script path exists but local execution failed under Java 25 with legacy Gradle wrapper compatibility.
  • Fixes made:
    • Added first scheduled/manual workflow.
    • Pinned workflow runtime to Java 11 for Gradle wrapper compatibility.
    • Added explicit contents: write and guarded commit behavior.
  • Validation summary: updater command is wired for a compatible CI runtime; local Java 25 incompatibility documented.