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Wednesday, August 2, 2017

How do you calculate the scale factor in AutoCAD 2005?

I’m a student just learning AutoCAD, and can’t figure out the scale factor. Please help!

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2 Responses to “How do you calculate the scale factor in AutoCAD 2005?”
  1. cadwopper says:

    This answer assumes you’re asking about what scale factor to use on an entire drawing you’ve just finished in cad. If you’re referring to something different, sorry ahead of time.
    The easiest thing is to set up the print setup, and try print previews at various scales.
    If you’re unfamiliar with printing as of yet, here’s what I would try:
    First, you need an idea of the “paper size” you’ll want. (8.5×11, 17×11, 36×24, etc.) Assuming you know that, use the LIMITS command. Autocad whell ask you for the coordiantes of the first corner (usually 0,0). Then it will ask for the coordinates of the second corner. On this value, you’ll do a little multiplcation. Multiply the paper size by a scale factor you want to try. Example if the “paper” is 17×11, and you want tor try a scale factor of 48 (1/4″=1′-0″), it goes like this: 48×17=816. 48×11=528. So the coordinates of the second corner in the LIMITS command will equal 816,528.
    Next, use the GRID command. I believe in your version, you can right click on the bottom where it says GRID. That will take you to the GRID settings. Set the intervals for half the scale factor. So with a 48 scale factor, set the grid to 24″. Then turn the GRID on. Those dots will show you the extents of the limits.
    Move your drawing so that it’s in the GRID. If it fits completely, but isn’t TOO small compared to the limits, that’s you’re scale. If it doesen’t fit, try a larger scale factor. If’ts it’s too small, try a smaller one.
    I know this answer was long. It involves commands most newcomers to CAD know or can learn quickly. As you repeat these steps, they usually go more quickly. When you become more familiar with printing and paper space/model space(if you aren’t already), you can skip a lot of this.
    Hope this helps. Good luck.

  2. Westwood says:

    there should be a ruler icon on the screen that will tell you the scale of things.

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