Set the margin unit of measurement to inches, centimeters, millimeters, points, or picas.
Note
This change also affects the ruler and other measurements.
- Go to File > Options > Advanced.
- Scroll down to Display and select the unit you want in Show measurements in units of.
- Select OK.
- Go to Word > Preferences.
- Under Authoring and Proofing Tools, select General.
- Select the unit you want in Show measurements in units of.
- Select OK.