Microgram per litre
µg/Lcx:ug_L · Mass concentration / Mass density
1 µg/L = (1 µg)^1 × (1 L)^-1.
- Quantity kind
- Mass concentration / Mass density
- SI dimension
L^-3 · M- Allowed roles
- Scalar
- Unit system / convention
- Accepted with SI
- Registry code
ug_L
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
- 1.0.1
- Registry snapshot
- 0.3.0-preview.3 · preview
- Definition lifecycle
- candidate
- Definition owner
- core.metrology
- Definition digest
df93ebad67b4ac2551c182891c42e4c4cdeb5ba89f987f789587cfc3b4c514ef- Definition dependency digest
712042babc99dde1ef0c1ca4a0bb911eb331e29b7a61866b43dcb3e90aac6466
Digests identify definition content; they are not CVP evidence or production attestations.