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
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 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.