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
┌──Matthew Kuykendall
(24 Oct 1758 Mecklenburg County, North Carolina, USA - 25 Sep 1845 Morgantown, Butler County, Kentucky, USA) =>
┌──Mark Hardin Kuykendall
(12 Mar 1796 Logan County, Kentucky, USA - 5 Dec 1859 Butler County, Kentucky, USA)
│ └──Margaret Jane Hardin
(1763 Mecklenburg County, North Carolina, USA - 1841 Morgantown, Butler County, Kentucky, USA) =>
│
┌──William Sublett Kuykendall
(22 Mar 1821 Warren County, Kentucky, USA - 28 Oct 1888 Lamar County, Texas, USA)
│ └──Mary Elizabeth Sublett
(27 Nov 1800 Campbell County, Virginia, USA - 28 May 1871 Butler County, Kentucky, USA)