Definition availableExact definition Candidate definition
Watt
Wcx:W · Power
1 W = (1 J)^1 × (1 s)^-1.
- Quantity kind
- Power
- SI dimension
L^2 · M · T^-3- Allowed roles
- Scalar
- Unit system / convention
- Coherent SI
- Registry code
W
Scope and distinctions
Power. Conversion to energy requires an explicit time/model contract.
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
f92e94e5b1f789fe1c208ac38ac88b1012f3af45009e034aa29a28a65c9cef34- Definition dependency digest
75da305a77391434ed9e63cff9f5220df96618623f6bf11dcfca663a58c11cc2
Digests identify definition content; they are not CVP evidence or production attestations.