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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┌──Benjamin Franklin Sherfy
(21 Jan 1852 Jonesborough, Washington County, Tennessee, USA - 23 Jan 1934 Colfax, Whitman County, Washington, USA)
James William Sherfey (25 Jul 1877 Washington County, Arkansas, USA - 25 Dec 1967 Spokane, Spokane County, Washington, USA)
│ ┌──John Keebler
(27 Jun 1787 Philadelphia, Philadelphia County, Pennsylvania, USA - │ │ 9 May 1882 Cleveland, Bradley County, Tennessee, USA) =>
│ ┌──Elihu Keebler
(15 Jun 1822 Washington County, Tennessee, USA - 23 Apr 1904 Chattanooga, Hamilton County, Tennessee, USA)
│ │ └──Anna Haws
(7 Jan 1788 Washington County, Tennessee, USA - 16 Feb 1863 Tasso, Bradley County, Tennessee, USA) =>
│ │
└──Narcissa Cate Keebler
(7 May 1853 Washington County, Tennessee, USA - 5 Jun 1944 Colfax, Whitman County, Washington, USA)
└──Cyrenia Fitzgerald
(Washington County, Tennessee, USA;1820 - 19 Nov 1874)