Watt per square metre kelvin
W/(m²·K)cx:W_m2_K · Heat transfer coefficient
1 W/(m²·K) = (1 W)^1 × (1 m²)^-1 × (1 ΔK)^-1.
- Quantity kind
- Heat transfer coefficient
- SI dimension
M · T^-3 · Θ^-1- Allowed roles
- Scalar
- Unit system / convention
- Coherent SI
- Registry code
W_m2_K
Scope and distinctions
Temperature factors are differences (intervals), explicitly declared in expression_roles. Absolute temperature offsets do not participate. Definition metadata, not a claim that an existing calculator is migrated.
Available operations
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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 4–7: coherent derived units, unit algebra and decimal 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
c27fd321bf70d592d99c32fc84a3561e11c92a6de9061e949d198d5842795260- Definition dependency digest
6efb2500aefce4b9a4c7cefd0c8f9387907c46c63ab3faa27cc5de99ef2a519d
Digests identify definition content; they are not CVP evidence or production attestations.