An easy way to size a row by sight is just to drag the row border.
Tip To size more than one row at once, drag across the row numbers to select the rows you want to size, and then drag the border of one of them.
Use this method of sizing rows when you want to size them to a particular height rather than just sizing them by eye.
Note Row height does not automatically change to accommodate a font size larger than the default row height or the height assigned to a particular row. As long as all text in a row is the same as, or smaller than the assigned row height, the text can fit in the row. If you make any text in the row taller than the default row height or taller than the height assigned to that particular row, the row height does not expand to accommodate the font. You must adjust the row height.