Definition availableExact definition Candidate definition
Square millimetre
mm²cx:mm2 · Area
1 mm² = (1 mm)^2.
- Quantity kind
- Area
- SI dimension
L^2- Allowed roles
- Scalar
- Unit system / convention
- SI decimal multiples
- Registry code
mm2
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
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
ace9c74ac5f650f8b44b4cb50fa0091da08ba42303f477e22109b84b907c19ce- Definition dependency digest
e42c62f8793f7b1355b7d06bb210a7238d01c407da6a8f2822d5825eedb1ebd3
Digests identify definition content; they are not CVP evidence or production attestations.