Standard atmosphere
atmcx:atm · Pressure
1 atm = 101325 Pa.
- Quantity kind
- Pressure
- SI dimension
L^-1 · M · T^-2- Allowed roles
- Scalar
- Unit system / convention
- Other conventions
- Registry code
atm
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
- NIST — NIST Guide to the SI, Appendix B.8
SP 811 online conversion table accessed 2026-10-28
Standard atmosphere = 101325 Pa exactly; not local measured atmospheric pressure
Source checked:Exact definition is distinguished from rounded table entries; no media copied.
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
d302e66c89c596dcb615d6a50ad64fe365a36c7e3f5db98ea6821e1d2303dc86- Definition dependency digest
9f40a6c3df2f087926512482cd8494bae38e5bb643b66302bebc2004b108189a
Digests identify definition content; they are not CVP evidence or production attestations.