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":
Maude Della Bottoms
(7 Aug 1884 Waldron, Scott County, Arkansas, USA - 16 Jan 1956 Scott County, Arkansas, USA)
Isaac C. (Ike) Richmond
(24 Nov 1879 Borden Springs, Cleburne County, Alabama, USA - 11 Nov 1932 Scott County, Arkansas, USA)
         ├─Patrick Richmond
(8 Jun 1909 Scott County, Arkansas, USA - 17 Mar 1982 Waldron, Scott County, Arkansas, USA)
         ├─Charles Hughes Richmond
(18 Jun 1916 Scott County, Arkansas, USA - 28 Jan 2002 Garden Grove, Orange County, California, USA)
         │ Margaret Bell House
(30 Nov 1920 Keo, Lonoke County, Arkansas, USA - 25 Dec 2010 Searcy, White County, Arkansas, USA)
         ├─Kelly I Richmond
(20 Sep 1913 Scott County, Arkansas, USA - 12 Oct 1995 Cypress, Orange County, California, USA)
         │ + Ella Boman
(15 Oct 1916 - 28 Mar 2011)
         ├─Bonnie Richmond
(1906 Scott County, Arkansas, USA - ??)
         │ + Norbert H Meyer
(Abt 1904 - 25 Jun 1943 Ardennes, France)
         ├─Madge Richmond
(12 Sep 1907 Waldron, Scott County, Arkansas, USA - 13 Feb 2005)
         │ + Lester Frazier
(4 Oct 1910 Scott County, Arkansas, USA - Jan 1971 Waldron, Scott County, Arkansas, USA)
         ├─Opal Faye Richmond
(19 May 1925 Waldron, Scott County, Arkansas, USA - 5 Sep 1996 Solano County, California, USA)
         │ Frank Oliver Baker, Jr
(28 Jun 1924 Plainview, Hale County, Texas, USA - 21 May 1957 Napa County, California, USA)
         │ :         └─Frankie Gene Baker
(20 May 1945 Kansas City, Jackson County, Missouri, USA - 7 Feb 2008 The Dalles, Wasco County, Oregon, USA)