Double spacing is not a set amount as it is on a typewriter (3 lpi); it is
twice the Single spacing, which is based on font size. Every font has a
certain amount of "leading" built in. For Times New Roman, Single spacing is
about 120% of the nominal point size, making line spacing 12 points for
10-point type (6 lpi, equivalent to typewriter single spacing). As the font
size increases, so does the line spacing, and for larger point sizes, Double
spacing begins to appear much too "spacey." If your headings are larger than
your body type, then of course Double spacing will be more for them than for
the body text.

Word's built-in heading styles also have some Space Before and After defined
as part of the style. When you use these with double-spaced text, you may
want to adjust either or both.

--
Suzanne S. Barnhill
Microsoft MVP (Word)
Words into Type
Fairhope, Alabama USA
Word MVP FAQ site: http://word.mvps.org
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"Kathy" wrote in message
...
I am working on a paper where double spacing is required.
When I do subtitles it appears as if the spacing is wider
than double spacing. I believe it is something in word
that is adjusting the spacing, but I'm not sure. How do I
make it truly double space???