Definition availableExact definition Candidate definition
Coulomb
Ccx:C · Electric charge
1 C = (1 A)^1 × (1 s)^1.
- Quantity kind
- Electric charge
- SI dimension
T · I- Allowed roles
- Scalar
- Unit system / convention
- Coherent SI
- Registry code
C
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
b6118d4d1b029ab4c4ac10a62c58d069604e9d7416e891f7ee2350a6a29df201- Definition dependency digest
fcb1f104859eb0d8842f96b919b20899ac60e771697029d3b3c57eabe301613f
Digests identify definition content; they are not CVP evidence or production attestations.