Grain

Scope and distinctions

Named mass convention; do not infer avoirdupois/troy or short/long identity from the unqualified symbol.

Available operations

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Verification scope

New UUCE conversion paths have not been CVP-verified or production-attested. An exact unit definition is not a verification claim.

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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: 2026-10-29

  Factual definition relationships are independently encoded; no source prose or media redistributed.