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":
Sam Wiley Cornish
(5 Apr 1887 Pike County, Arkansas, USA - 20 May 1922 bur.Nathan, Pike County, Arkansas, USA)
Gertrude Darling
(11 May 1884 Texas, USA - 3 Jan 1973 Prescott, Nevada County, Arkansas, USA)
         ├─Carmen Onita Cornish
(17 Jan 1910 Nathan, Pike County, Arkansas, USA - 11 Sep 2002 Prescott, Nevada County, Arkansas, USA)
         │ Olen Clayton Hendrix
(12 Jul 1909 Bowen, Pike County, Arkansas, USA - 5 Aug 1998 Prescott, Nevada County, Arkansas, USA)
         │          │ Bobbie Lou Lamb
(28 Feb 1933 Polk County, Arkansas, USA - 1 Mar 2012 Arkansas, USA)
         │          │          │ + Sue Ellen Rhoten
(31 Dec 1960 Fort Worth, Tarrant County, Texas, USA -          │          │          │ 26 Jan 2019 North Richland Hills, Tarrant County, Texas, USA)
         │          │          │ + Living
         │          │          └─Michael 'Scott' Baldwin
(17 Nov 1964 Honolulu, Honolulu County, Hawaii, USA -          │          │           14 Mar 1992 Arlington, Tarrant County, Texas, USA)
         │          └─James William Hendrix
(14 Sep 1946 Hot Springs, Garland County, Arkansas, USA - 31 May 2003 Antoine, Pike County, Arkansas, USA)
         │           Living
         │           + Living
         ├─Carl Milton Cornish
(31 Jan 1912 Muddy Fork, Pike County, Arkansas, USA - 9 Jan 2006 Nashville, Howard County, Arkansas, USA)
         │ Katie Tolleson
(5 Apr 1909 - 23 Mar 1968 Pike County, Arkansas, USA)
         ├─Gilbert Lee Cornish
(24 Jun 1917 Muddy Fork, Pike County, Arkansas, USA - 17 Dec 1997 Fort Worth, Tarrant County, Texas, USA)
         │ Katherine Pearl Berry
(20 Jul 1924 Arizona, USA - 12 Aug 2006 Weatherford, Parker County, Texas, USA)
         │ + Ruby Faye Couch
(28 Mar 1924 - 9 Sep 1940 bur.Nathan, Pike County, Arkansas, USA)
         ├─Henry Wiley Cornish
(26 Jul 1922 Nathan, Pike County, Arkansas, USA - 5 Mar 2013 Murfreesboro, Pike County, Arkansas, USA)
         │ Inez Price
(12 Oct 1924 Arkansas, USA - 14 Oct 2006 Bacliff, Galveston County, Texas, USA)
         │           + Living
         └─Panzie Jewell Cornish
(17 Aug 1914 Muddy Fork, Pike County, Arkansas, USA - 19 Sep 2000 bur.Royal, Garland County, Arkansas, USA)
          Oliver Williamson
(1910 - ??)