Software Venture Consulting

FileMaker Pro downloads & Resources
FileMaker Custom Functions
FileMaker Web Viewer Examples
FileMaker Pro & Lasso Consulting
FileMaker Books
FileMaker Articles
FileMaker Error Reference

Free Web Tools
Free FileMaker Tools

Personal Pages

Shopping Cart
Shopping Cart


Free Newsletter


Privacy Policy

FileMaker is a registered trademark of FileMaker, Inc. in the U.S. and other countries.


 FileMaker Pro Custom Functions

List  |  Show Random  |  Upload  |  Add This to Your Site

AgeCalculation( Date( 4 ; 12 ; 1980 ) ;

Rate this function:  

  Average rating: 4.0  (29 votes)
  Discuss this Custom Function

Watchara Yarnu,

Calculates how old a person or a thing was, is, or will be on a user-defined date, based on the date of birth of the person or thing.

Sample Input:
AgeCalculation( Date( 4 ; 12 ; 1980 ) ; "" )
Sample Output:
31 (when the current date is April 12, 2011 for example)

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


This function is published on FileMaker Custom Functions
to check for updates and provide feedback and bug reports
please visit

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


5 most recent comments | Show all 6 comments

You are missing the parameters shown in the original at

Lee Smith, Woodland
July 22, 2014 4:01pm

You are missing the parameters shown in the original at

In fact, I’m not following why you posted this in the first place.

Lee Smith, Woodland
July 22, 2014 4:03pm

yes of course, Mr Lee Smith.because this custom function is first in this place.

and I've been told on my description where it's first post.

Thank you very much for your comment.

Watchara Yarnu, Thailand
July 22, 2014 5:12pm

So why don't you rectify it?

Thomas Hellwig, Hamburg/Germany
April 03, 2016 12:41pm

I'm apologize for everyone. but you can follow by the original link

Watchara Yarnu, Thailand
April 04, 2016 8:26am

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

Your Name:
characters left. If you paste in more than 1500 characters, it will be truncated. Discuss the function - advertisements and other useless posts will be deleted.
Answer 1 + 2 =
Search for Custom Functions:

Custom Functions Widget
Download the Custom Function Dashboard Widget for OS X
Keep all the latest Custom Functions right at your fingertips!

Newest Custom Functions:

1. ChiSquare3x2 ( param ; param ; param ; param )
  (Tue, Aug 14, 6:33am)
2. ReverseByteOrder ( bytes )
  (Thu, Aug 09, 12:06pm)
3. BytesToDec ( hex )
  (Thu, Aug 09, 11:47am)
4. GetAsHexBytes ( number ; bytes )
  (Thu, Aug 09, 10:50am)
5. ValCorrelationCoeff ( XValueList; YValueList; Xmean; Ymean; XStdDev; YStdDev )
  (Wed, Aug 08, 4:17pm)
6. ValLeastSquaresSlope ( XValueList; YValueList; Xmean; Ymean )
  (Wed, Aug 08, 4:10pm)
7. ValueMath ( List1 ; List2 ; operation )
  (Wed, Aug 08, 4:05pm)
8. GetExtension ( File )
  (Tue, Aug 07, 10:22am)

RSS Feed of Custom Functions