ByABC News 
November 17, 2011, 3:14 PM
Nov. 21, 2011— -- Everyone loves your Thanksgiving turkey, but do you really know how much stuffing is the right amount to make?
In order to fill the cavity of the bird you are stuffing, you should make 3/4 cup of stuffing per person.
See Also
Stove Top Stuffing Is a Perfect Food, ActuallyMake-Ahead Stuffing Means One Less Thing to Worry About on ThanksgivingFeel Confident About Cooking Stuffing and Know How Much to MakeThanksgiving Leftovers Can Spoil Faster Than You Think: What to KnowYou may not be able to fit all the stuffing into your turkey. If this is the case, then you can even make a casserole to fill up your guests!
Sources: http://homecooking.about.com/od/specificdishe1/a/stuffingtips.htm
http://abcnews.go.com/GMA/Thanksgiving/thanksgiving-turkey-tips-sara-moulton-defrost-brine-roast/story?id=12185928
