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 FileMaker Pro Custom Functions

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SuperCeiling ( Number , RoundTo )

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  Average rating: 4.4  (30 votes)
  Discuss this Custom Function

Ibrahim Bittar Torres, Eikonsys

This custom function rounds up a number to the closest RoundTo Number

Sample Input:
SuperCeiling ( 678 , 1000 )
SuperCeiling ( 4567 , 10 )
Sample Output:

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


(Updated Nov 28 - 2012):

Sometimes you need to calculate the closest thousand or hundred of a number, specially when you are working with items billable by the thousand (like paper).

Basically this CF divides the number by RoundTo, takes the fractionary part and rounds it up using the Ceiling() function and the adds it to the integer part and multiply it by RoundTo again.

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


I get a "Specified Parameter Could Not Be Found" error, highlighting "Number" - what does that refer to?

Simon Stock, Bedfordshire, UK
May 14, 2013 4:09am

You have to add the parameter in the upper side of the dialog. Type "Number" and click the + icon.

Ibrahim Bittar, Leon MX
May 14, 2013 4:58am

Works great!, found this after doing it the hard way....:)
hund > 500;0;
hund = 500;-500;
hund ≥ 1 ; 500;

Steve M, Broomall, PA
August 21, 2015 7:52am

Hi Steve, thank you for your comments.

By the way, it helped me to notice that it was spelled wrongly and I have just fixed it. the calculation remains the same, it was just how it shows on this website.


Ibrahim Bittar, León MX
August 21, 2015 8:01am

If you want to make the result Round UP or Down, here is a MOD to your CF:

RoundUpDnByUnit ( Number , RoundTo )

Let ( [

a = Number;
b= RoundTo;

Num = a / b ;
Integ = Int ( Num ) ;
Frac = Num - Integ;

c = ( Integ + Ceiling ( Frac ) ) * b;
d = If(a ≥ (c - (b / 2)); c; c - b)

] ;

d )



Don Wieland, Irvine, CA
December 22, 2017 8:35am

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