Curie
Cicx:Ci · Activity
1 Ci = 37000000000 Bq.
- Quantity kind
- Activity
- SI dimension
T^-1- Allowed roles
- Scalar
- Unit system / convention
- Other conventions
- Registry code
Ci
Scope and distinctions
Explicit unit scale. Luminous flux/intensity/illuminance conversion still requires geometry; activity is not equivalent dose or cyclic frequency.
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
Appendix B.8: curie = 3.7e10 Bq exactly
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
fc923ce924644fb14bca1f8cb46079eb66a2e9a4b8d980ca2af01bfd1f7a090d- Definition dependency digest
a4c5d5243450493af5c5c7f2c78f7756558a5dc63a51e4b3b5a7e5d5d7a5a0b1
Digests identify definition content; they are not CVP evidence or production attestations.