{"id":63520,"date":"2024-02-01T23:46:09","date_gmt":"2024-02-01T14:46:09","guid":{"rendered":"https:\/\/cad-kenkyujo.com\/en\/?p=63520"},"modified":"2025-02-03T15:23:44","modified_gmt":"2025-02-03T06:23:44","slug":"scale-factor","status":"publish","type":"post","link":"https:\/\/cad-kenkyujo.com\/en\/2dcad\/autocad\/scale-factor\/","title":{"rendered":"\u30102025\u3011How to use Scale Factor in AutoCAD"},"content":{"rendered":"

When using AutoCAD, the scale factor is essential to ensure that a drawing fits on a given sheet size, or to adjust the size of an imported object to match the scale of the current drawing. Scale factor is the command used to adjust the size of objects or drawings.<\/strong><\/span> <\/span><\/p>\n

In this article we’ll look at how to determine the scale factor and how to change the scale factor of objects to the size you want.<\/span><\/p>\n

Click here to learn AutoCAD with videos<\/a><\/p>\n

Formula for Scaling<\/b><\/h2>\n

Scale Factor=Desired Size\/Original Size<\/span><\/p><\/blockquote>\n

Explanation<\/b><\/h3>\n
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  1. Original Size:<\/b> This is the current size of the object or dimension in your drawing. It can be a length, width, height, or any measurable attribute of the object.<\/strong><\/span><\/span><\/li>\n
  2. Desired Size:<\/b> This is the size you want the object or dimension to be after scaling.<\/span><\/li>\n
  3. Scale Factor:<\/b> This is the numerical value that you will use to scale the object in AutoCAD.<\/span>\n
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    • If the scale factor is greater than 1, the object will increase in size.<\/span><\/li>\n
    • If the scale factor is less than 1 (but greater than 0), the object will decrease in size.<\/span><\/li>\n
    • If the scale factor is exactly 1, the object will remain its original size, of course. Ideally, your files should be on a 1:1 reference scale. Its industry standard and much easier for anyone who has to work with your files.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

      Example<\/b><\/h3>\n

      \"\"<\/p>\n

      Suppose you have a line that is 50 units long (Original Size), and you want it to be 100 units long (Desired Size). The scale factor would be calculated as follows:<\/span><\/p>\n

      scale factor = 100 units (desired size)<\/span> 50 units (original size) = 2<\/span><\/p><\/blockquote>\n

      So, you would use a scale factor of 2 to scale the line to your desired length in AutoCAD.<\/strong><\/span><\/span><\/p>\n

      This formula applies to uniform scaling where all dimensions (length, width, height) of an object are scaled by the same factor. For non-uniform scaling (different scale factors for different dimensions), you would apply this formula independently for each dimension.<\/span><\/p>\n

      Steps to Use Scale Factor in AutoCAD<\/h2>\n