The paper length is not relevant since the chart flows from one page to the next.
Mobile
in.
mm
Portrait
2.75
70
For smart phones, not for printing
Landscape
5.5
140
For smart phones, not for printing
USA & Canada
in.
mm
Letter Portrait
8.5
216
Also Legal Portrait
Letter Landscape
11
279
Legal Landscape
14
356
Also Ledger Portrait
Ledger Landscape
17
432
International
in.
mm
A5 Portrait
5.82
148
A4 Portrait
8.25
210
Also A5 Landscape
A4 Landscape
11.71
297
Also A3 Landscape
A3 Landscape
16.54
420
The Text+ programs assume that the right and left margins are each about 25mm (1/2 inch) wide.
On the Format for Printing page, differences in page margins can be accommodated by the "fudge factor":
Warning: include(mods/chart_types_help_v13.0.0.1/languages/English_/homepages/12/d484092304/htdocs/www/family/ancestortext.php): Failed to open stream: No such file or directory in /homepages/12/d484092304/htdocs/www/family/rrcharttypes_inc.php on line 17
Warning: include(): Failed opening 'mods/chart_types_help_v13.0.0.1/languages/English_/homepages/12/d484092304/htdocs/www/family/ancestortext.php' for inclusion (include_path='.:/usr/lib/php8.1') in /homepages/12/d484092304/htdocs/www/family/rrcharttypes_inc.php on line 17
┌──(Rev) William L Truhitte
(15 Jan 1823 Morgan County, Tennessee, USA - 28 Nov 1908 Barry County, Missouri, USA) =>
┌──Benjamin Richard Trewhitt
(10 Jan 1860 Van Buren County, Arkansas, USA - 31 Aug 1936 Cassville, Barry County, Missouri, USA)
│ └──Martha Ann West
(2 May 1827 Indiana, USA - 10 Apr 1900 Barry County, Missouri, USA)
│
┌──Norman G Truhitte
(2 Jan 1900 McDonald, Barry County, Missouri, USA - 26 Apr 1974 Cassville, Barry County, Missouri, USA)
│ └──Serilda Frances Guffey
(19 Mar 1859 Putnam County, Missouri, USA - 9 Feb 1937 Barry County, Missouri, USA)
│
Charles V Truhitte (4 Apr 1930 McDonald, Barry County, Missouri, USA - Sep 1975)
└──Blanch M Vanzandt
(27 Feb 1904 Cassville, Barry County, Missouri, USA - 15 Feb 1997 Hillsboro, Jefferson County, Missouri, USA)