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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┌──John Calloway Kuykendall
(22 Oct 1836 Nashville, Davidson County, Tennessee, USA - │ 30 Apr 1912 Sperry, Tulsa County, Oklahoma, USA) =>
┌──William Selem Keykendall
(3 Apr 1861 Dow City, Crawford County, Iowa, USA - │ 18 Feb 1943 Council Bluffs, Pottawattamie County, Iowa, USA)
│ └──Parthenia Evaline Galland
(20 Sep 1845 Lee County, Iowa, USA - 22 Dec 1872 Dow City, Dickinson County, Iowa, USA) =>
│
┌──Leonard Ray Kuykendall
(26 Jan 1889 Dunlap, Harrison County, Iowa, USA - 13 Apr 1923 Oak Grove, Montrose County, Colorado, USA)
│ └──Marion Emma Hooker
(12 Oct 1863 Wisconsin, USA - 14 Nov 1930 Council Bluffs, Pottawattamie County, Iowa, USA)
│
Glenn E Kuykendall (2 Apr 1916 Iowa, USA - 9 Jan 1969 Alameda County, California, USA)
└──Grace Mildred Christie
(30 Mar 1893 Dunlap, Harrison County, Iowa, USA - 22 Mar 1980 San Joaquin County, California, USA)