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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┌──Jacob Bacon
(Washington County, Tennessee, USA;1 Aug 1802 - 12 Oct 1859) =>
┌──Benjamin Franklin Bacon
(3 Aug 1834 Washington County, Tennessee, USA - 8 Mar 1915 Galena, Stone County, Missouri, USA)
│ └──Elizabeth Keebler
(21 Apr 1799 Rockbridge County, Virginia, USA - 1870 Bradley County, Tennessee, USA) =>
│
┌──Frederick Willard "Fred" Bacon
(12 Sep 1895 Chetopa, Labette County, Kansas, USA - 19 Nov 1978 San Bernardino County, California, USA)
│ └──Anna Eglantine Wann
(13 Apr 1862 Benton, Polk County, Tennessee, USA - 3 Jan 1945 Galena, Stone County, Missouri, USA)
│
Frederick Willard Bacon, Jr (16 Aug 1919 Tulsa, Tulsa County, Oklahoma, USA - 27 Jan 1999 Muskogee County, Oklahoma, USA)
└──Twylo Alberta Seely
(29 Jul 1891 Washington County, Pennsylvania, USA - 15 Jul 1970 Tulsa, Tulsa County, Oklahoma, USA)