See
http://support.microsoft.com/?kbid=299339 "You cannot change
ruler measurement unit from character units after upgrade to
Office XP" or
http://www.gmayor.com/Character_Units.htm .
Shirley CFDCOS wrote:
The rulers in my Word documents show in pixels. I have set the default unit
of measure to inches and unchecked the show pixels in HTML docs, but the
rulers are still not showing in inches. Any ideas?