The ⚀octa·triqua·volumel, or ⚀peck·volume

Quantityvolume
Formal name

⚀octa·triqua·volumel
⚀tridubqua·hand·volume

Formal abbr⚀o•t↑vmℓ 
Colloquial name⚀peck·volume
Colloquial abbr⚀pck·vm
Derivation23=8z ⚀hand·volume
Derivation abbr23=8z ⚀hd·vm
TGM equiv

≈ 3.68z uncia·Volm

TGM equiv abbr≈ 3.68z u↓Vm
SI & USC equiv

329.599z=465.484375d inch3
≈ 257.930735930736d fluid ounce
 2.01508387445887gallon
= 7.62792224125d liter

scaling01:06:+:03:8.0000