Before you start to draw, you must decide what one drawing unit represents based on what you plan to draw. You can convert a drawing between systems of measurement by scaling it. Every object you create is measured in drawing units. Before you start to draw, you must decide what one drawing unit will represent based on what you plan to draw. Then you create your drawing at actual size with that convention. For example, a distance of one drawing unit typically represents one millimeter, one centimeter, one inch, or one foot in real-world units. To set the units format and precision 1. Click Format Units. At the command prompt, enter units. 2. In the Drawing Units dialog box, under Length, select a unit format and precision. The Sample Output area shows an example of the unit format at the current precision. 3. Click OK. Enjoy Drawing. Some more topics you may like to read Shortcuts of Autocad. Basic Commands in Autocad? How to write te