Standard Size Of Column All About Engineering On an Excel spreadsheet, you can set a column width of 0 to 255, with one unit equal to the width of one character that can be displayed in a cell formatted with the standard font On a new worksheet, the default width of all columns is 843 characters, which corresponds to 64 pixels If a column's width is set to zero (0), the column is hiddenMaking a Wild Card Column Width Sometimes it's useful to build a table with a "wild card" column width That is to say, you want a table where you set the width of most of your columns, but set the width of another column to take up the remaining screen area To see what we mean, take a look at this page When you resize your browser window Column width architecture