Kilogram per cubic metre
kg/m³cx:kg_m3 · Mass density / Mass concentration
1 kg/m³ = (1 kg)^1 × (1 m³)^-1.
- Quantity kind
- Mass density / Mass concentration
- SI dimension
L^-3 · M- Allowed roles
- Scalar
- Unit system / convention
- Coherent SI
- Registry code
kg_m3
Scope and distinctions
Definition metadata. Quantity kind and model-field semantics determine compatibility; no new UUCE execution or CVP claim.
This unit definition serves several quantity kinds. The model field must select the kind; sharing a unit does not make the quantities interchangeable.
Available operations
UUCE executable Preview · Use cx:kg_m3 with a compatible unit and a pinned snapshot.
No legacy converter is linked for this definition.
Verification scope
- UUCE conversion capability
units.convertversion0.1.1· 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
b37e9ea3c026e5e5e7057f762b3a6dbb8192820976a3bb8866da307fca43f81c- Definition dependency digest
29a1e4ee83010738f630ee48c46bf1b834eaf30aecedf2efc82190637aa28d0b
Digests identify definition content; they are not CVP evidence or production attestations.