With the date in A1
=DATE(YEAR(A1)+16, MONTH(A1), DAY(A1))

best wishes
--
Bernard V Liengme
Microsoft Excel MVP
http://people.stfx.ca/bliengme
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"Popey" wrote in message
...
Hi

I have noticed that there are a few posts showing how to calculate
somebody's current age by inputting their date of birth. However, what I
am
after is something slightly different.

How can I get excel to calculate when somebody would reach a certain age
by
their date of birth. For example; I enter a date of birth of 04 May 2009,
but I would like Excel to tell me on what date they would reach 16. Yeah,
I
know I could work the date out in my head quite easily, but it would be
very
handy to have a formula that would automatically do it for me.

Thank you :)