The ⚀pent.dot.nilennea·pentqua·volumel, or ⚀yard·volume

Quantityvolume
Formal name

⚀pent.dot.nilennea·pentqua·volumel
⚀pentnilennea·triqua·volumel

Formal abbr

⚀p.ne•p↑vmℓ 
⚀pne•t↑vmℓ

Colloquial name⚀yard·volume
⚀brachial·volume
Colloquial abbr⚀yd·vm
brch·vm
Derivation

509z ⚀hand·volume
(⚀yard·length)
3

Derivation abbr

509z ⚀hd·vm
(⚀yd·lg)
3

TGM equiv

≈ 2.3z unqua·Volm

TGM equiv abbr≈ 2.3z uVm
SI & USC equiv

= 20,669.31Ɛ76z=42,417.263671875d inch3
=
 20.66931Ɛ76z=24.547027587890625d foot3
≈ 23,503.9383116883fluid ounce
≈ 183.624518060065
gallon
= 695.094428614340820384d liter

scaling01:06:+:05:5.0900