Useful for custom margins or when using the metric system
How to Change Inches to Cm in Word
By default, Microsoft Word uses inches as the unit of measurement in dialog boxes and on the ruler. You can change the units of measurement to centimeters, picas, points, or millimeters. This post shows you how to change this setting in Word 2016 and earlier.
To change the default units of measurement in Word, click File, and then click Options.
If you're using Word 2010 or earlier, click the Office button, and then click the Word Options button at the bottom.
