=DATEDIF(A1,DATE(YEAR(TODAY())+1,MONTH(TODAY()),DA Y(TODAY())),"Y")

--
HTH

Bob Phillips

(replace somewhere in email address with gmail if mailing direct)

"Mert" wrote in message
...
I want to calculate someone's age from a year not from today's date.

ie: the birthday is August 16, 1979 if we calculate from (today) it will
say 27 but i want to calculate from the year (2007) - so it will show 28