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 FileMaker Pro Custom Functions

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AGE ( BirthDate )

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  Average rating: 4.4  (39 votes)
  Discuss this Custom Function

meddved, meddved

Calculate the correct Age :)

Sample Input:
AGE ( "14/04/1981" )
Sample Output:

 Then copy & paste into FileMaker Advanced's Edit Custom Function window.

Click here to copy To Clip Manager if you have myFMbutler's Clip Manager installed


This function calculates the correct age.
Auto-correction for leap years.

Note: these functions are not guaranteed or supported by Please contact the individual developer with any questions or problems.

This is my Custom Function and I want to edit it


"This function calculates the correct age."

No, it doesn't: a person born in 1900-03-15 is not yet 100 years old in 2000-03-14.

Why not do the simple thing:

Year ( today ) - Year ( DOB ) -
( today < Date ( Month ( DOB ) ; Day ( DOB ) ; Year ( today ) ) )

comment, VR
April 13, 2011 3:08pm

Try the following instead:

It works, even on the birthday anniversaries and when dealing with leap years. It also gives you more detail and options, if desired.

Daniel A. Shockley, New York, NY
May 04, 2011 11:19am

thank you very much
It has been very useful for my application.

David, Madrid (Spain)
September 21, 2016 3:09am

Make a comment about this Custom Function (please try to keep it brief & to the point). Anyone can post:

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