Grain
grcx:grain · Mass
1 gr = 0.00006479891 kg.
- Quantity kind
- Mass
- SI dimension
M- Allowed roles
- Scalar
- Unit system / convention
- US customary
- Registry code
grain
Scope and distinctions
Named mass convention; do not infer avoirdupois/troy or short/long identity from the unqualified symbol.
Available operations
UUCE executable Preview · Use cx:grain with a compatible unit and a pinned snapshot.
No legacy converter is linked for this definition.
Verification scope
- UUCE conversion capability
units.convert@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
- NIST — Handbook 44 — Appendix C, General Tables of Units of Measurement
2026 edition; Appendix C
Appendix C: 7000 grains per avoirdupois pound
Source checked:Factual definition relationships are independently encoded; no source prose or media redistributed.
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
0b34e04f76ca1684fa70a01b93a86338a300daefd1e332e5cb3b73e355dd7e80- Definition dependency digest
693cb5e81453cabb7b664a542562cde7161422c435430d3a95ea4252aaa49661
Digests identify definition content; they are not CVP evidence or production attestations.