When you create a new Illustrator document, the default canvas size is 8x8. You can change this size by choosing File > New > Canvas. The following steps show you how to adjust the canvas size in Illustrator:

  1. In the left pane, select the canvas you want to resize.
  2. In the right pane, click on the Size button to change the canvas size. The following table shows how the new size affects your document: New Size Affects Document Width x Height 8x8 pixels 100% 100% 10x10 pixels 75% 75% 12x12 pixels 50% 50% 16x16 pixels 25% 25% 18x18 pixels 10% 10% 20x20 pixels 5% 5% 24x24 pixels 2.5x2.5px 1.5x1.5px 30px30px 40px40px 48x48px 72dpi 300dpi 600dpi 800dpi 1024p 1200p 1400p 1600p 1800p 1920ppi 3000ppi 4000ppi 5000ppi 6500dpi
  3. When you have finished adjusting your canvas size, click on OK to close Illustrator and return to your original document width and height dimensions.