If 5/1/2006 is in A1 and 2/28/2002 is in A2, then maybe:

=(a1-a2)/365
or
=(a1-a2)/365.25

But if you're trying to find differences between dates, you may want to take a
look at =datedif().

You can find lots of info at Chip Pearson's site:
http://www.cpearson.com/excel/datedif.htm

(=datedif() was only documented in xl2k's help.)

jhon doe wrote:

if you had 5/1/2006 and 2/28/2002 how would you get 4.17?

--

Dave Peterson