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":
Legend:
Father: Matthias S Leinen, Jr (3 Nov 1849 Tunsdorf, Mettlach, Saarland, Germany - 21 Feb 1929 Portsmouth, Shelby County, Iowa)
Mother: Anna Marie Hammes (4 Aug 1854 Feyen, Near Trier, Rineland-Pfalz, Germany - 24 Jan 1912 St. Joseph Hospital, Omaha, Douglas County, Nebraska)
Michael Edward Leinen
(7 Nov 1880 Iowa - 25 Aug 1962 Portsmouth, Shelby County, Iowa)
Anna Katherine Sondag (14 Aug 1888 Iowa - 1965 Portsmouth, Shelby County, Iowa)
(m. 28 Apr 1909 Portsmouth, Shelby County, Iowa)
   ├─Theodora Mary Leinen (21 May 1910 Portsmouth, Shelby County, Iowa -    │ 27 Aug 1999 Omaha, Douglas County, Nebraska)
   │ Eldred J Rosenthal (21 Feb 1911 Iowa - Jul 1986 Omaha, Douglas County, Nebraska)
   │ (m. 28 Nov 1935 Portsmouth, Shelby County, Iowa)
   ├─Mathias Leinen (Portsmouth, Shelby County, Iowa;1912 - 1912)
   ├─Edwin Mathias Leinen (Portsmouth, Shelby County, Iowa;7 Sep 1913 - 6 Oct 1921)
   ├─Marita Susanna Leinen (5 Jan 1916 Portsmouth, Shelby County, Iowa -    │ 3 Jan 1955 Omaha, Douglas County, Nebraska)
   │ Paul Bendon (25 Mar 2015 Portsmouth, Shelby County, Iowa - Jan 1987 Omaha, Douglas County, Nebraska)
   │ (m. 31 May 1938 Portsmouth, Shelby County, Iowa)
   ├─Michael Theodore Leinen (Portsmouth, Shelby County, Iowa;13 Jul 1920 - 5 Jun 2000)
   │ Ramona Jane Slaven (19 Apr 1922 Portsmouth, Shelby County, Iowa -    │ 31 Mar 1990 Bishop Clarkson Memorial Hospital, Omaha, Douglas County, Nebraska)(m. 11 Feb 1942)
   │    │ Peggy Ann Kenkel (6 Jun 1952 Near Earling, Shelby County, Iowa -    │    │ 5 Apr 2011 University of Nebraska Medical Center, Omaha, Douglas County, Nebraska)
   │    │    └─Charles E Langer (25 Jan 1993 -    │    │     9 Sep 2012 Auto Accident, Highway 31 South of Interstate 80, Sarpy County, Nebraska)
   │ Barbara Jeanne Kroeger (22 Dec 1926 Minden, Pottawattamie County, Iowa -    │ 29 Oct 1989 Bergan Mercy Hospital, Omaha, Douglas County, Nebraska)