You can now specify the column width and row height in the new editor.
Standard, Premier, Education, Team and Partner Editions
All languages supported by Google Docs
How to access what's new:
In the new Google Spreadsheets editor, select the column or row you want to adjust. Right-click and select ‘Resize row’ or ‘Resize column’. Enter the value in pixels to get the size that you want and click ‘OK’.
For more information:
How to enable the new editor
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