Displaying rulers

Rulers can be displayed on the left and top borders of the page in pixels, inches, or centimeters.

To change ruler settings, choose from the following options:

To toggle rulers on and off, choose View > Rulers > Show.
To change the origin, drag the zero point onto the page. To reset the origin to its default position, choose View > Rulers > Reset Origin.
To change the unit of measure, choose Pixels, Inches, or Centimeters from the View > Rulers submenu.