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Vocabulary Reference

declaredUnit

property Public

Declared Unit

Functional unit for carbon footprint or other metrics (e.g., kg CO2e/kWh, kg CO2e/kg). Aligned with UNTP declaredUnit.

URI:https://ref.openepcis.io/extensions/common/core/declaredUnit

Range

xsd:string

Vocabulary alignment

Equivalent
DPP Keystonedppk:declaredUnit · curated
Broader · upstream
GS1gs1:unitCode · curated CIRPASS-2cirpass2:hasUnitOfMeasure · QA 88%

QA % is the verifier panel's confidence. Curated mappings graded by openai/gpt-oss-20b, verified by local QA panels per round (claude-opus-4-8 / qwen3.5-27b / qwen3-32b).

Referenced upstream terms

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Where used

In SHACL shapes (1)

  • EmissionsPerformanceShapeconstrains

References

Access Level

The declared/functional unit is required to interpret any public footprint or EPD value (EN 15804; UNTP alignment).

JSON-LD Example 

{
  "type": "Thing",
  "declaredUnit": "..."
}