what font size is 15 characters per inch

No more than 15 characters per inch including characters and spaces descenders don't run into each other (will depend on font and size) Consider using 

Adherence to font size, type density, line spacing and text Type density: must be no more than 15 characters per linear inch (including characters and spaces)

inch The point size refers to the height of a character Thus, a 12-pt font is 1/6 inch in height The default font size in Microsoft Word 2010 is 11 pts Sample Fonts 

MARGINS, TYPEFACE, AND FONT GUIDELINES: Use an Arial, Helvetica, Palatino Linotype or Georgia typeface and a font size of 11 points or larger Type density, including characters and spaces, must be no more than 15 characters per inch

Use Arial typeface and a font size of 11 points or larger • Type density, including characters and spaces, must not exceed 15 characters per inch • Type may be 

font size requirement still applies ) -Type density, including characters and spaces, must be no more than 15 characters per inch -Type may be no more than six 

including characters and spaces, must be no more than 15 characters per inch You may use a smaller type size but it must be in a black font color, readily 

THE 12 POINT SIZE AT 15 CHARACTERS PER INCH) FONT SIZE (points) LINE SPACING OR LEADING (points) RESOLUTION (characters per inch)

Detailed (R&R) Budget (generally for applications > $250,000 or per Palatino Linotype, or Georgia typeface, a black font color, and a font size of Type density , including characters and spaces, must be no more than 15 characters per inch