Multi-range weight scale

A multi-range weight scale which comprises:

• a bottom base plate,
• a cam supported by said bottom plate, and
• weight determining means secured relative to said cam, said cam adjusting said weight determining means to zero scale in an initial weight capacity, for tare weight application permitting a preload up to an initial weight capacity and rezero scale to weigh articles up to twice the initial capacity including preload weight, to preload the scale with an initial weight capacity to weigh articles having weight up to double the initial weight capacity and from a first weight range having the same resolution to a second weight range which is exactly double that of said first weight range with the same resolution.