Dimension line values in architectural drawings

I am drawing the floorplan for a ceramic studio. My studio area is 27’ x 30’. I would like the dimension lines for the rectangular area to be expresswed in feet. How would I set a scale of 1/4 inch in the drawing = 1 foot in actuality, with the diagram showing these dimensions in feet and inches. This scale should then follow over to objects within the rectangle such as kilns, sinks, tables, etc. I realize this would be a non-problem for metric units (which I use for all of my glaze calculations), but unfortunately on this side of the pond we are all still enmired in the English system.

I’d suggest you use a dedicated software. With Draw you’re naked with basic drawing features. In the FOSS world, there is FreeCAD. It has a dedicated architecture module. It works well with graphic tablets (Wacom and the like). I don’t know for imperial units because I used it only with metric dimensions.