Volume calculation script - JS needed?

 From:  Frenchy Pilou (PILOU)
10129.4 In reply to 10129.3 
Yes! aera = surface in Unities used! So maybe 13 cm2, 107 m2 , 21 m3 for a surface 5 mm3, 15 m3 for a volume etc...
or 17 if there is no unities used

Ps the native Aera/volume is fine for direct result but not for specific material, density etc...! ;)

EDITED: 1 Feb 2021 by PILOU