Definition availableExact definition Candidate definition
Steradian
srcx:sr · Solid angle
SI reference unit for solid angle.
- Quantity kind
- Solid angle
- SI dimension
1- Allowed roles
- Scalar
- Unit system / convention
- Coherent SI
- Registry code
sr
Scope and distinctions
Solid angle; not interchangeable with plane angle or a generic ratio despite SI dimension one.
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
2076ec216e51b13d7a17d5a8871f0d7191bb210014713e91528a20fe0d091207- Definition dependency digest
3d0ad353035e4bb181b911cbf97f24d6a87889053da13bd5096ce4c735832f3b
Digests identify definition content; they are not CVP evidence or production attestations.