I find strange in the example bellow that when I activate the option DIV=calc for the document class scrbook the calculated DIV value for the document becomes different than the predifined values in Table2.2 of the Koma Script manual.

Normaly, the DIV=calc option is supposed to optimize the DIV value for a given paper and font size.

In the following example, A4 paper is selected without specifying a font size. Therfore, logically the calculated DIV value must be the same as the predifined one, or not ?

First example



\makeatletter Koma has selected the following DIV value: $$DIV = \the\ta@div$$ and the following BCOR value $$BCOR = \the\ta@bcor$$ \makeatother


First output

and when removing the option DIV=calc :

Second output


All KOMA-Script classes use DIV=default by default. The symbolic value default means: Calculate type area using the standard value for the current page format and current font size. If no standard value exists, calc is used.

The standard DIV values can be find in a table in the documentation:

  • paper=a4 and fontsize=10pt -> standard DIV value: 8
  • paper=a4 and fontsize=11pt -> standard DIV value: 10
  • paper=a4 and fontsize=12pt -> standard DIV value: 12

In your example there is paper=a4, fontsize=11pt (default), so DIV=default results in DIV=10.

The standard values does not take the used font into account. But you will get a warning by package typearea if there are clearly too many or too few characters in a normal text line.

With DIV=calc takes the chosen font and its characteristics (width of the characters etc.) into account.


There was a bug in typearea: until (including) version 3.24 the standard DIV values for fontsizes 10pt (DIV=8), 11pt (DIV=10) and 12pt (DIV=12) were used even if the paper format was not A4. This bug will be fixed in version 3.25. So if you use a version before 3.25 and not the default paper=a4 Option then an explicit DIV=calc is recommended.

  • Thanks for your answer, so the algorithm used by DIV=calc does not give the same value as the standard value when applied to a paper format and font size that already exist in the database ?
    – BxlAdil
    Jan 30 '18 at 14:48
  • For me DIV=calc shoul result in the same values as the standards (if it really optimizes the margins). So, what is the best ,using DIV=default or DIV=calc for my example?
    – BxlAdil
    Jan 30 '18 at 14:51
  • It depends. If there is no warning both is fine. Lower DIV values results in bigger page margins. If you select a different font or if you change the space between the lines for the document (eg. using package setspace) then add a \recalctypearea at the end of your preamble.
    – esdd
    Jan 30 '18 at 15:07
  • Just one more question please, The margins of the text area seem not to move for me when I change the DIV value. Please, check my example in Overleaf overleaf.com/13501147mykxypkstsrw#/52131268
    – BxlAdil
    Jan 30 '18 at 15:34
  • There (Overleaf) you are using package geometry to set the margins ;-) This overwrites the KOMA-Script settings. (I have downloaded the log file)
    – esdd
    Jan 30 '18 at 15:54

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