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":
Cora 'Blanche' Anderson
(15 Oct 1895 Ohio, USA - 15 Sep 1975 bur.Peebles, Adams County, Ohio, USA)
Jesse Virgil Setty
(5 Jan 1893 Mineral Springs, Adams County, Ohio, USA - 16 Feb 1954 Ohio, USA)
         ├─Cecil Harold Setty
(21 May 1924 Adams County, Ohio, USA - 2 Apr 1926 bur.Peebles, Adams County, Ohio, USA)
         ├─Jimmy Dale Setty
(8 Jul 1941 Mineral Springs, Adams County, Ohio, USA - 24 Jul 1941 Rarden, Scioto County, Ohio, USA)
         ├─Chester Clyde Setty
(29 Sep 1921 Adams County, Ohio, USA - 18 Sep 1991 bur.Evergreen Union Cemetery #2, Waverly, Pike County, Ohio, USA)
         ├─Ruth Pearl Setty
(10 Apr 1926 Rarden, Scioto County, Ohio, USA - 15 May 1988 Hamilton, Butler County, Ohio, USA)
         │ + Clarence D Carrington
(9 Sep 1917 - 6 Apr 1995 bur.Overpeck, Butler County, Ohio, USA)
         ├─Roy Estel Setty
(13 Jan 1929 Rarden, Scioto County, Ohio, USA - 16 May 1993 Cincinnati, Hamilton County, Ohio, USA)
         │ + Tommy Louise Baldwin
(22 Jul 1942 Williamsburg, Whitley County, Kentucky, USA - 7 Feb 1994 Cincinnati, Hamilton County, Ohio, USA)
         ├─Ellen Louise Setty
(30 Aug 1932 Rarden, Scioto County, Ohio, USA - 6 Feb 1988 Waverly, Pike County, Ohio, USA)
         │ + Junior A Chrisman
(15 Jun 1923 - 30 Dec 1986 bur.Pike County, Ohio, USA)