The ⚀unnilqua·volumel, or ⚀stadial·volume

Quantityvolume
Formal name

⚀unnilqua·volumel

Formal abbr⚀un↑vmℓ 
Colloquial name⚀stadial·volume
Colloquial abbrϚ·vm
Derivation(⚀stadial·length)3
Derivation abbr(⚀Ϛ·lg)3 
TGM equiv

≈ 5.4z septqua·Volm

TGM equiv abbr≈ 5.4z s↑Vm
SI & USC equiv

= 4ᘔ,228,760z=173,741,112d foot3
= 2,1ᘔ3,ᘔ60z=6,434,856d yard3
 3988.54710743802d acre·foot
 4,919,800.4152274903048d meter3
= 491.9800415227490304d hectare·meter

scaling01:06:+:10:1.0000