What does scale drawing mean?
A scale drawing is where you multiply the lengths of every object in the drawing by a common factor, in order to more practically show the structure of a very large or very small object. For instance, a building might be 100 feet long. Obviously it is not practical to use a 100 foot sheet of paper to draw the blue prints on. So, the drawing would be scaled. If the drawing was scaled by a factor of 100 (i.e. the scale would be 1:100), then the drawing of the 100-foot building on the blue print would be 1 foot long. Common scales on blue prints equate inches on the drawing to feet in reality, for instance: 1/2″ = 1′ A half inch on paper equals a foot in reality. So, if a construction worker needs to know how big a wall is that he is building, he can just get out a ruler and measure on the drawings, multiply his measurement by the scale factor, and he’ll know how big to make the wall.
