Definition availableExact definition Candidate definition
One
1cx:one · Ratio
Reference unit for ratio.
- Quantity kind
- Ratio
- SI dimension
1- Allowed roles
- Scalar
- Unit system / convention
- Coherent SI
- Registry code
one
Scope and distinctions
Dimensionless ratio. Does not erase plane angle, solid angle, counts, probability bounds or other model-specific semantics.
Available operations
No converter is linked for this definition yet. You can inspect the definition and its sources.
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 2, 4 and 5: SI units; Table 7: SI 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
98cc3ffc58d8733c483b60c4d7e238fe8ad43a6aadcced9496b74f33a01ef599- Definition dependency digest
b1c9aa4d586949ee881925298442091ba11dda29f57de0867e43da1cd59e06e5
Digests identify definition content; they are not CVP evidence or production attestations.