Definition availableExact definition Candidate definition
Elementary charge unit
ecx:elementary_charge · Electric charge
1 e = 0.0000000000000000001602176634 C.
- Quantity kind
- Electric charge
- SI dimension
T · I- Allowed roles
- Scalar
- Unit system / convention
- Other conventions
- Registry code
elementary_charge
Scope and distinctions
Positive elementary-charge magnitude as a charge unit; not the signed charge of a particular particle.
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
SI defining constant e: positive elementary-charge magnitude
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
77fda7e2cb1c27dab875c38c7b8e670c0976503d7be453abf583be7304def065- Definition dependency digest
2bc5cadc56074f38ca02eac12ea1d5a76b6938b330e3203a490a6e8fe46690a7
Digests identify definition content; they are not CVP evidence or production attestations.