By default, Word displays ruler measurement in inches. This may not be what you want however – or, you may need change ruler measurement depending on the type of document on which you are working. Other options include: inches, centimeters, millimeters, points and picas.
If your ruler is not visible, click the Ruler checkbox in the Show/Hide group of the View Ribbon.
To Change Ruler Preferences in Word
- Click the Microsoft Office Button
- Click Word Options.
- In the left pane, click Advanced
- Scroll downward until you see the Display heading.
- Click the “Show measurements in units of” drop-down list.
- Choose the desired measurement.

If your ruler is not visible:
- Click the View tab on the Ribbon.
- Click the Ruler checkbox in the Show/Hide group
Applies to Word 2007

