Square kilometre
km²cx:km2 · Area
1 km² = (1 km)^2.
- Quantity kind
- Area
- SI dimension
L^2- Allowed roles
- Scalar
- Unit system / convention
- SI decimal multiples
- Registry code
km2
Scope and distinctions
Definition metadata only. The quantity kind and model field contract determine compatible use; no new UUCE execution or CVP claim.
Available operations
UUCE executable Preview · Use cx:km2 with a compatible unit and a pinned snapshot.
No legacy converter is linked for this definition.
Verification scope
- UUCE conversion capability
units.convertversion0.1.1· VERIFIED- Production binding at publication
- CURRENT
The definition lifecycle describes this registry entry. CVP status describes the conversion capability and the cases and rejection partitions in its Manifest. CVP Manifest · Public replay cases
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
ade080bb35c68ad8bd7de1fab0b3d8a972d9a932110dcd85f83cdc847360c059- Definition dependency digest
a97dcdd80768727dae5ac3e77749db67022a0f1a7e0505116c6a7a65a1cf4f97
Digests identify definition content; they are not CVP evidence or production attestations.