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Watt per square metre

W/m²

cx:W_m2 · Irradiance

1 W/m² = (1 W)^1 × (1 m²)^-1.

Quantity kind
Irradiance
SI dimension
M · T^-3
Allowed roles
Scalar
Unit system / convention
Coherent SI
Registry code
W_m2

Scope and distinctions

Definition metadata. Quantity kind and model-field semantics determine compatibility; no new UUCE execution or CVP claim.

Available operations

UUCE executable Preview · Use cx:W_m2 with a compatible unit and a pinned snapshot.

No legacy converter is linked for this definition.

Verification scope

UUCE conversion capability
units.convert version 0.1.1 · VERIFIED
Production binding at publication
CURRENT

The definition lifecycle describes this registry entry. CVP status describes the conversion capability and the cases and rejection partitions in its Manifest. CVP Manifest · Public replay cases

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
0b6ce1b5af7fb509637bcbef1492c526409dfff7e4e24d609b7bac95f1f6f09c
Definition dependency digest
24c3dc8880c186f4e3c7a141cc86e60867e3c96eec45cb260177aa08a41d9122

Digests identify definition content; they are not CVP evidence or production attestations.

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