Font Size/Type and Size in Paper RDLC+ReportViewver+VB2005

Whats the font size real meaning?

since when i use Arial font size 10 in the report its gonna take different space than the textbox im using (Both using exactly same font type/size/unit)

its kinda if i set 10 milimiters to the font size why would the i and M for example have so diferent size.

i wish it was like in the Notepad where all the letters take the same space.

what i need its to give a certain texbox(in the report) with auto grow to have always the same lines of height

but its not posible to calculate it from vb b4 being inputed to the report.

Any Idea to fix this?

Thx In Advance

Those are PROPORTIONAL SPACE'd fonts. You need COURIER, or other SYSTEM like fonts