Definition availableExact definition Candidate definition
Kilometre per hour
km/hcx:km_h · Speed
1 km/h = (1 km)^1 × (1 h)^-1.
- Quantity kind
- Speed
- SI dimension
L · T^-1- Allowed roles
- Scalar
- Unit system / convention
- Accepted with SI
- Registry code
km_h
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
78f9711f8e5136e73a9d4ad8d191f689ce1fb28db3d1f153602f5e78d52dbebd- Definition dependency digest
6d77460660e8a405f77aaa095b3f6a4608ed90ca03cde7a213014fa8886d38c1
Digests identify definition content; they are not CVP evidence or production attestations.