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":
                Elizabeth GrĂ¼n (Tunsdorf, Saarland, Germany;28 Jul 1784 - 24 Nov 1854)
                (m. 26 Jan 1808 Tunsdorf, Saarland, Germany)
                   └─Katherine Hein (7 ARP 1810 Tunsdorf, Rhineland, Prussia, Germany -                     2 Jan 1884 Clear Creek Township, Keokuk County, Iowa)
                    Michael Berg (6 Oct 1806 Alsace-Lorraine, France - 10 May 1886 Clear Creek Township,                     Keokuk County, Iowa)(m. 25 Feb 1832 Tunsdorf, Saarland, Germany)
                       │    ├─Henry Berg (4 Aug 1864 Harper, Keokuk County, Iowa -                        │    │ 16 Jul 1930 Fleming, Logan County, Colorado)
                       │    ├─Anna Berg (Clear Creek Township, Keokuk County, Iowa;2 Aug 1866 -                        │    │ 11 Jan 1951)
                       │    ├─Maria Berg (11 Nov 1868 Clear Creek Township, Keokuk County, Iowa -                        │    │ 31 Jul 1942)
                       │    ├─Theresia Berg (15 Oct 1870 Clear Creek Township, Keokuk County, Iowa -                        │    │ 3 Dec 1936 Keokuk County, Iowa)
                       │    ├─Barbara Berg (8 Nov 1872 Clear Creek Township, Keokuk County, Iowa -                        │    │ 6 Jun 1954)
                       │    ├─Elizabeth Berg (21 Dec 1874 Clear Creek Township, Keokuk County, Iowa -                        │    │ 2 Sep 1953 Washington, Washington County, Iowa)
                       │    │ Paul Peiffer (24 Jan 1876 Clear Creek Township, Keokuk County, Iowa - 26 Nov                        │    │ 1940 University of Iowa Hospital, Iowa City, Johnson County, Iowa)(m. 6                        │    │ Feb 1900 Ss. Peter & Paul Catholic Church, Clear Creek Township, Keokuk                        │    │ County, Iowa)
                       │    │    ├─Marcella Matilda Peiffer (13 Mar 1905 Near Kinross, Keokuk County,                        │    │    │ Iowa - 9 Jun 2001)
                       │    │    │ Edward Daniel Vittetoe (20 Jan 1904 One mile west of Sigourney, Keokuk                        │    │    │ County, Iowa - 9 Nov 1940 University of Iowa Hospital, Iowa City,                        │    │    │ Johnson County, Iowa)(m. 31 Aug 1928 St. Mary\'s Catholic Church,                        │    │    │ Keota, Keokuk County, Iowa)
                       │    │    │    ├─Sister Marie Clare Vittetoe (19 May 1927 Rural Family Home                        │    │    │    │ East of, Keota, Keokuk County, Iowa - ??)
                       │    │    ├─Ernest Otto Peiffer (7 Nov 1906 Liberty Township, Keokuk County,                        │    │    │ Iowa - 20 Dec 1945 Van Home, Iowa)
                       │    │    └─Wilfrid Nicholas Peiffer (30 May 1908 Liberty Township, Keokuk                        │    │     County, Iowa - ??)
                       │    ├─Saphrona Berg (2 Jan 1877 Clear Creek Township, Keokuk County, Iowa -                        │    │ 12 May 1963)
                       │    ├─Nicholas Henry Berg (14 Apr 1879 Clear Creek Township, Keokuk County,                        │    │ Iowa - 15 Oct 1968)
                       └─Barbara Berg (4 Jul 1852 Clear Creek Township, Keokuk County, Iowa -                         8 Nov 1930 Keokuk County, Iowa)
                        Jacques Frank Sondag (31 Oct 1843 Alsace-Lorraine Province, France -                         18 Mar 1897 Harper, Keokuk County, Iowa)(m. 1869 Baden, Iowa)
                           ├─Michael Sondag (25 Jun 1870 - 22 Mar 1960)
                           ├─Nicholas Sondag (23 Dec 1871 Clear Creek Township, near Baden, Keokuk                            │ County, Iowa - 16 Jun 1960 Harper, Keokuk County, Iowa)
                           │ Magdalena Peiffer (2 Apr 1877 Clear Creek Township, Keokuk County, Iowa -                            │ 10 Mar 1949 Harper, Keokuk County, Iowa)(m. 15 Feb 1898)
                           ├─Jacob Theodore Sondag (8 Jul 1873 Keokuk County, Iowa -                            │ 4 Dec 1908 Keota, Keokuk County, Iowa)
                           │ Regina Anna Peiffer (19 Jun 1878 At Home on Farm, Clear Creek Township,                            │ Keokuk County, Iowa - 13 Feb 1974 At Home, Harper, Keokuk County,                            │ Iowa)(m. 15 May 1900 Ss. Peter & Paul Catholic Church, Clear Creek                            │ Township, Keokuk, County, Iowa)
                           │    │    │ Robert Dennis Leo Hammes (20 Sep 1928 At Home on Farm, Clear                            │    │    │ Creek Township, Keokuk County, Iowa - 29 Jul 2017 University                            │    │    │ Hospitals, Iowa City, Johnson County, Iowa)(m. 23 Feb 1952)