Gross vehicle mass
Gross vehicle mass was the maximum operating weight of a vehicle. 

A schematic of the Erstwhile listed the gross vehicle mass of this starship at 23,200 tons. ()

A schematic of the  listed the gross vehicle mass of this starship at 3,000 metric tons. ()

A schematic of the  listed the gross vehicle mass of this starship at 5,000,000 tons. ()

See also 
 Gross ton

External link 
 
Measurements