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
┌──Virgil D Rose
(1 Jan 1843 Ohio, USA - 1 Dec 1920)
Francis Marion Rose (1 Aug 1870 Brush Creek, Highland County, Ohio, USA - 18 Jan 1928 Peebles, Adams County, Ohio, USA)
│ ┌──Benjamin Zetty
(6 Apr 1797 Virginia, USA - Abt 1880 Highland County, Ohio, USA) =>
│ ┌──Peter Setty
(21 Oct 1821 Rockingham County, Virginia, USA - 4 Jul 1890 Highland County, Ohio, USA)
│ │ └──Ester Zetty
(1799 Virginia, USA - Jul 1872 Highland County, Ohio, USA) =>
│ │
└──Martha Setty
(18 Jul 1848 Highland County, Ohio, USA - 18 Jul 1922 Sinking Spring, Highland County, Ohio, USA)