I am trying to convert a drawing from mm to inches which should be totally simple. Everytime I scale it in the drawing it becomes completely unreadable and looks insane. When I block the entire drawing and try to insert it into a new drawing set in inches it is huge and I cant pan or see anything except the corner of the lowest wall and the program starts acting glitchy. I'm not sure if the way the original drawing was set up could have something to do with this? I'm working in autocad 15 for mac. Any help would be really appreciated!