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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┌──Matthew Kuykendall
(9 Feb 1758 Mecklenburg County, North Carolina, USA - 15 Aug 1841 De Soto County, Mississippi, USA) =>
┌──Absalom Kuykendall
(25 Aug 1814 Cookeville, Putnam County, Tennessee, USA - 2 Jan 1901 San Antonio, Bexar County, Texas, USA)
│ └──Nancy Johnson
(10 Jul 1765 Mecklenburg County, North Carolina, USA - 4 Sep 1825 Franklin County, Tennessee, USA)
│
┌──John Calloway Kuykendall
(22 Oct 1836 Nashville, Davidson County, Tennessee, USA - 30 Apr 1912 Sperry, Tulsa County, Oklahoma, USA)
│ └──Nancy Dean
(17 Dec 1816 Nashville, Davidson County, Tennessee, USA - 2 May 1853 San Antonio, Bexar County, Texas, USA)
│
Nancy Charlotte Kuykendall (26 Nov 1879 Maple, Ida County, Iowa, USA - 23 Oct 1888 Anderson County, Kansas, USA)
└──Sarah Elizabeth Colby
(18 Aug 1855 Oskaloosa, Mahaska County, Iowa, USA - 4 Nov 1918 Dow City, Crawford County, Iowa, USA)