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":
Jane UNKNOWN
(Abt 1862 Ireland - Jan 1901 Birkenhead, Cheshire, England)
Edwin SKETT (Apr 1865 Madeley, Shropshire, England - Dec 1916 Birkenhead, Cheshire, England)
└─Edwin SKETT (28 Dec 1890 Liverpool, Lancashire, England - 23 Nov 1968 Perth, Western Australia, Australia)
Mabel Edith Uranie DALE (24 Nov 1894 East Preston, Sussex, England - 21 Jan 1987 Subiaco, Western Australia, Australia)(m. 1914 Swan, Western Australia, Australia)
└─Irene May SKETT (7 Aug 1920 Bridgetown, Western Australia, Australia - 24 Oct 2011 Perth, Western Australia, Australia)
Ronald Alwyn Quinton JAMES (20 Apr 1915 Perth, Western Australia, Australia - 15 Jan 1996 Bentley, Western Australia, Australia)(m. 1941)
Abt 1862 - 1901 (~ 39 years)
(28 Dec 1890 Liverpool, Lancashire, England - 23 Nov 1968 Perth, Western Australia, Australia)
Mabel Edith Uranie DALE 