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":
Ileene 'Della' Smith
(27 Nov 1884 Georgia, USA - 16 Nov 1976 Hamilton County, Tennessee, USA)
James Columbus Richmond
(28 Jul 1876 Cleveland, Bradley County, Tennessee, USA - 13 Apr 1965 Hamilton County, Tennessee, USA)
         ├─James Willford Richmond
(30 Oct 1916 Whitfield County, Georgia, USA - 16 Nov 2004 Cleveland, Bradley County, Tennessee, USA)
         │ + Etta Stafford
(Abt 1916 Tennessee, USA - ??)
         ├─Charles Harland Richmond
(27 Oct 1902 Cleveland, Bradley County, Tennessee, USA - 25 Mar 1979 Chattanooga, Hamilton County, Tennessee, USA)
         │ Estelle Clonts
(17 Sep 1907 Bradley County, Tennessee, USA - 31 Jan 1993 Chattanooga, Hamilton County, Tennessee, USA)
         │          ├─William Max (Bud) Richmond
(25 Feb 1929 Bradley County, Tennessee, USA - 22 Nov 2001 Ringgold, Catoosa County, Georgia, USA)
         │          │ + Living
         ├─Ervin Leonard Richmond
(24 Jan 1905 Georgia, USA - 31 Jul 1993 Cleveland, Bradley County, Tennessee, USA)
         │ Flora Irene Clonts
(26 Nov 1900 Tennessee, USA - 12 Jul 1967 Cleveland, Bradley County, Tennessee, USA)
         │          └─Irene F Richmond
(18 May 1927 Bradley County, Tennessee, USA - 11 Jan 2010 Cleveland, Bradley County, Tennessee, USA)
         │           + Robert E Allen
(28 Jun 1915 Bradley County, Tennessee, USA - 15 Nov 1992 Cleveland, Bradley County, Tennessee, USA)
         ├─Gladys Amanda Richmond
(24 May 1912 Bradley County, Tennessee, USA - 18 May 2008 McDonald, Bradley County, Tennessee, USA)
         │ + H Clifford Tankersley
(18 Feb 1901 Tennessee, USA - 22 Jul 1932 Hamilton County, Tennessee, USA)
         ├─Helen Richmond
(8 Jul 1928 Tennessee, USA - 21 Aug 1972 Hillsborough County, Florida, USA)
         │ + Living
         └─Lillie Mae Richmond
(28 Sep 1908 Ringgold, Catoosa County, Georgia, USA - 4 May 2005 Chattanooga, Hamilton County, Tennessee, USA)
          Samuel Luther Clonts
(4 Jan 1902 Tennessee, USA - Sep 1974 Tampa, Hillsborough County, Florida, USA)