The ⚀pent.dot.nilennea·biqua·volumel, or ⚀palm·volume

Quantityvolume
Formal name

⚀pent.dot.nilennea·biqua·volumel
⚀pentnilennea·volumel

Formal abbr

p.ne•b↑vmℓ 
⚀pne•vmℓ

Colloquial name⚀palm·volume
Colloquial abbr⚀pm·vm
Derivation

509z ⚀morsel·volume
(⚀palm·length)
3

Derivation abbr

509z ⚀mo·vm
(pm·lg)
3

TGM equiv

≈ 2.3z tricia·Volm

TGM equiv abbr≈ 2.3z tVm
SI & USC equiv

= 20.66931Ɛ76z=24.547027587890625d inch3
 13.6018161525974d fluid ounce
 
402.253720262928d milliliter

scaling01:06:+:02:5.0900