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
┌──John Keebler
(27 Jun 1787 Philadelphia, Philadelphia County, Pennsylvania, USA - │ 9 May 1882 Cleveland, Bradley County, Tennessee, USA) =>
┌──John B Keebler
(15 Apr 1821 Washington County, Tennessee, USA - 18 Jun 1899 Midway, Greene County, Tennessee, USA)
│ └──Anna Haws
(7 Jan 1788 Washington County, Tennessee, USA - 16 Feb 1863 Tasso, Bradley County, Tennessee, USA) =>
│
┌──Samuel Millard Keebler
(30 Mar 1850 Greene County, Tennessee, USA - 1925 Lenoir City, Loudon County, Tennessee, USA)
│ └──Sarah Etter
(5 Jun 1824 Greene County, Tennessee, USA - 8 Mar 1916 Midway, Greene County, Tennessee, USA)
│
Mamie Keebler (Jan 1896 Greene County, Tennessee, USA - )
└──Fannie F Markwood
(26 Apr 1861 Washington County, Tennessee, USA - 29 Sep 1934 Lenoir City, Loudon County, Tennessee, USA)