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
┌──Lowell E Holt
(11 May 1914 New Mexico, USA - 30 Jan 1967 Tacoma, Pierce County, Washington, USA)
Sharon Kay Holt (Pierce, Tacoma County, Washington, USA;Abt 1942 - 4 Jun 1944)
│ ┌──George Henry Todd
(Abt 1822 North Carolina, USA - Dyersburg, Dyer County, Tennessee, USA) =>
│ ┌──James Franklin (Frank) Todd
(24 Jan 1853 Tennessee, USA - 27 Feb 1936 Quanah, Hardeman County, Texas, USA)
│ │ └──Margaret Amanda Ross
(12 Oct 1833 Tennessee, USA - 12 Apr 1913 Quanah, Hardeman County, Texas, USA) =>
│ │
└──Lorena Todd
(30 May 1916 Altus, Jackson County, Oklahoma, USA - 29 Apr 2004 Eatonville, Pierce County, Washington, USA)