Part per million per kelvin difference
ppm/Kcx:ppm_K · Inverse temperature
1 ppm/K = (1 ppm)^1 × (1 ΔK)^-1.
- Quantity kind
- Inverse temperature
- SI dimension
Θ^-1- Allowed roles
- Scalar
- Unit system / convention
- Other conventions
- Registry code
ppm_K
Scope and distinctions
Temperature factors are differences (intervals), explicitly declared in expression_roles. Absolute temperature offsets do not participate. Definition metadata, not a claim that an existing calculator is migrated.
Available operations
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Verification scope
New UUCE conversion paths have not been CVP-verified or production-attested. An exact unit definition is not a verification claim.
Candidate is a registry lifecycle state. It is not a completed review or CVP verification.
Definition sources
- BIPM — The International System of Units (SI)
9th edition, version 4.01, June 2026
Tables 4–7: coherent derived units, unit algebra and decimal prefixes
Source checked:Definition metadata attributed to BIPM; brochure licensed CC BY 4.0.
Definition and registry versions
- Definition revision
- 1.0.0
- Registry snapshot
- 0.3.0-preview.3 · preview
- Definition lifecycle
- candidate
- Definition owner
- core.metrology
- Definition digest
0c470383c531cccf23e1ba7c8bceea16cd246499cfe0c6438600edb8012baab4- Definition dependency digest
1b8190a07db1f8a488bfaa691f37178fa9a19af9ca72b33cdb13b6d99debff95
Digests identify definition content; they are not CVP evidence or production attestations.