Use the Datedif function;

http://www.cpearson.com/excel/datedif.htm

But note that dates before 1-1-1900 are not supported in Excel

--
Kind regards,

Niek Otten
Microsoft MVP - Excel

"PhooPhan" wrote in message ...
|I have a column showing birthdates. I need a formula to show the age of each
| person on a specific date.
|
| Example: A persons birthday is 8/5/88. I want to know what that persons age
| is on 10/1/2007. If possible I'd like to show age by Year, Months and Days.
| If that's not possible then the simple age works.