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
┌──Peter Zetty
(1735 Lancaster County, Pennsylvania, USA - 10 Jan 1799 Bedford County, Virginia, USA) =>
┌──John Zetty
(1766 Donegal Twp, Lancaster County, Pennsylvania, USA - 1820 Highland County, Ohio, USA)
│ └──Barbara Ann Reiff
(1741 Lancaster County, Pennsylvania, USA - 1819 Rockingham County, Virginia, USA) =>
│
┌──Christopher Setty
(14 Mar 1802 Manchester, Adams County, Ohio, USA - 18 Apr 1883 Highland County, Ohio, USA)
│ └──Mary Countryman
(1776 Washington County, Maryland, USA - 18 Mar 1857 Highland County, Ohio, USA)
│
Lavina Setty (3 Mar 1826 Brush Creek, Highland County, Ohio, USA - 12 May 1908 Highland County, Ohio, USA)
└──Mary Shoemaker
(Brush Creek, Highland County, Ohio, USA;11 Mar 1806 - 4 Apr 1888)