Definition availableExact definition Candidate definition
Hectopascal
hPacx:hPa · Pressure
1 hPa = 100 Pa.
- Quantity kind
- Pressure
- SI dimension
L^-1 · M · T^-2- Allowed roles
- Scalar
- Unit system / convention
- SI decimal multiples
- Registry code
hPa
Scope and distinctions
Definition metadata. Quantity kind and model-field semantics determine compatibility; 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 4–7: coherent derived units, unit algebra and decimal 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
3abc43356abc18e75fc4bbdebb514e5be48b301d85edf8d454373dba2b45a851- Definition dependency digest
bfbfd8849a63653f007f18956241997b3602b927f5603f608d8c10cac4fc91fd
Digests identify definition content; they are not CVP evidence or production attestations.