calculating a person's age based on a certain day based on date of birth

[Kathie G via AccessMonster.com]

How would I calculate a persons age from a certain date from their date of
birth. IE: As of 4/1/2005 a person with a birthdate of 08/1/1986 would be....

 

[Duane Hookom]

http://www.mvps.org/access/datetime/date0001.htm