When you open the Word window, you will see a row of rulers above the window, followed by 2, 4, 6 ... 38, it is in the character unit, in the song body fifth Word format, each row can enter about 38 Chinese characters. But sometimes it is not convenient to use, especially in the tabulation, drawing, it is not intuitive, at this time, we can modify the ruler in centimeters.
Diagram: Ruler in characters
Click the tools → options command, and in the Options dialog box that pops up, select the General tab, at this time we will see a "unit of measure" text box, and the column is clearly entered in the unit of measurement is "cm", note: Do not be filled with the "centimeter" deceived, in fact, there is a dozen "√" Use the complex option of character units, and then simply remove the "√" of this complex option and click OK.
Diagram: Cancels the check in front of "use character units"
The word ruler is now changed to centimeters.