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:
Anna Rosalia Ohlinger
(1876 Keokuk County, Iowa - 13 Jun 1942 Portsmouth, Shelby County, Iowa)
Peter Mathias Leinen (7 May 1861 Clear Creek Township, Keokuk County, Iowa - 12 Aug 1939 Portsmouth, Shelby County, Iowa)
   ├─Rosalia Anna Leinen (Portsmouth, Shelby County, Iowa;20 Jul 1899 - 11 Dec 1988)
   │ + Louis Raymond (31 Jul 1887 New York, New York - ??)(m. 30 Jun 1920)
   ├─Joseph P Leinen (6 Feb 1902 Iowa - 29 Jun 1982 Portsmouth, Shelby County, Iowa)
   │ + Caroline J Stinn (23 Jan 1906 - 18 May 1993 Portsmouth, Shelby County, Iowa)(m. 1925)
   ├─Laura Ann Leinen (29 Mar 1903 Portsmouth, Shelby County, Iowa -    │ 9 Mar 1980 Council Bluffs, Pottawattamie County, Iowa)
   │ + Albert A Reid (27 Jun 1896 Fordland, Missouri - 25 Aug 1977 Council Bluffs, Pottawattamie County, Iowa)
   │ (m. 4 Sep 1923 Neosho, Newton County, Missouri)
   │ + Joseph F Reinig (7 Feb 1902 Portsmouth, Shelby County, Iowa - 13 Dec 1983)
   │ (m. 31 Dec 1931 Portsmouth, Shelby County, Iowa)
   ├─Zeno Leinen (25 Jan 1907 Iowa - 21 Nov 1998 Harlan, Shelby County, Iowa)
   │ + Viola Marie Schwery (31 Jan 1909 - 16 Aug 1999 Dennison, Iowa)(m. 1928)
   ├─Andrew N Leinen (18 Feb 1908 Iowa - 17 Nov 1991)
   │ + Leona A (21 Sep 1908 - 2 Jan 1992)
   ├─Francis P Leinen (20 Jun 1909 Iowa - 27 Jun 1993 Portsmouth, Shelby County, Iowa)
   │ + Dorothy Marie Loehr (13 Sep 1908 - 2 Dec 1998 Portsmouth, Shelby County, Iowa)
    + Claude Alvin Green (14 Apr 1911 Cass Township, Shelby County, Iowa - 21 Dec 1989 Shelby County, Iowa)
    (m. 25 Jan 1937 Shelby County, Iowa)