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":
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┌──Charles Hutcheson, III
(11 Apr 1807 Grainger or Sequatchie County, Tennessee, USA - 9 Sep 1842 Bledsoe County, Tennessee, USA) =>
┌──James Caswell Hutcheson
(9 Jun 1839 Meigs County, Tennessee, USA - 19 Feb 1918 Springtown, Parker County, Texas, USA)
│ └──Sarah Worthington
(5 Jan 1809 Bledsoe County, Tennessee, USA - 26 Sep 1895 Springtown, Parker County, Texas, USA)
│
┌──James Luther Hutcheson
(13 Mar 1872 Meigs County, Tennessee, USA - 21 Jun 1949 Fort Worth, Tarrant County, Texas, USA)
│ └──Harriet A Runyon
(20 Nov 1840 Hamilton County, Tennessee, USA - 4 Dec 1891 Springtown, Parker County, Texas, USA)
│
Lois Hutcheson (24 Oct 1895 Springtown, Parker County, Texas, USA - 5 Mar 1987 Dallas, Dallas County, Texas, USA)
└──Rhoda V King
(16 Jun 1875 Pauls Valley, Garvin County, Oklahoma, USA - 12 Jul 1967 Dallas, Dallas County, Texas, USA)