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

LengthConvert ( Number , From , To )

Rate this function:  

  Average rating: 4.2  (31 votes)
  Discuss this Custom Function

Ibrahim Bittar, Eikonsys

Converts Lenghts between m, cm, in, ft and yd

Sample Input:
LengthConvert ( 1 , "in" , "cm" )
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 is a small but useful function if you need to quickly convert between the most common lenght units.

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


Cool ... and Length is spelled wrong

And another parameter called Number

Function is now
Number * Case( .....

Robert Schaub, EastHampton
May 31, 2013 3:08pm

Done, thanks for the correction.

Ibrahim Bittar, León, MX
May 31, 2013 3:11pm

And we do need semicolons instead of commas nowadays...

Henk Brendel, Arnhem
May 31, 2013 11:43pm

It is better to use decimal numbers in the form of a power of 10 ( the dot is not everywhere a symbol of separation of decimals )
So, for example:

From = "m" and To = "in" ; 393700787402 *10 ^ - 10 ;
From = "m" and To = "ft" ; 3280839895 *10 ^ - 9 ;

Daniele Raybaudi, Rome
June 01, 2013 3:54am

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 8 + 7 =
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. ExcludeValues(MyList ; Out)
  (Wed, Mar 21, 7:23am)
2. PreviousMonthEndDate ( myDate )
  (Wed, Mar 07, 3:35am)
3. PreviousMonthName (myDate)
  (Wed, Mar 07, 3:33am)
4. FmTableFields ( tableName ; fieldsInclude ; fieldsExclude ; classExclude ; typeExclude ; prefixExclude )
  (Fri, Mar 02, 6:32am)
5. sql.getTable ( fullyQualifiedFieldObject )
  (Thu, Feb 22, 8:36am)
6. sql.getField ( fullyQualifiedFieldObject )
  (Thu, Feb 22, 8:34am)
7. FilterOut ( ListA ; ListB )
  (Wed, Feb 21, 6:11pm)
8. Char0 ( )
  (Sun, Feb 18, 2:35am)

RSS Feed of Custom Functions