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":
Father: Levi (Sweet) Trewhitt (22 Apr 1829 Sunbright, Morgan County, Tennessee, USA - 19 Oct 1916 Cleveland, Bradley County, Tennessee, USA)
Mother: Sarah A Wattenbarger (30 Oct 1836 Greene County, Tennessee, USA - 21 Feb 1909 Cleveland, Bradley County, Tennessee, USA)
Luther Trewhitt
(19 Dec 1873 Bradley County, Tennessee, USA - 12 Jun 1938 Cleveland, Bradley County, Tennessee, USA)
Annie E Gadd
(16 Jan 1880 Tennessee, USA - 16 Jan 1955 Cleveland, Bradley County, Tennessee, USA)
         ├─Edward Irving Trewhitt
(15 Apr 1909 Bradley County, Tennessee, USA - 18 May 1965 Tennessee, USA)
         │ + Nona Marie Sample
(16 Feb 1910 Riceville, McMinn County, Tennessee, USA - 14 Feb 1996 Knoxville, Knox County, Tennessee, USA)
         ├─Ethel L Trewhitt
(16 Sep 1902 Bradley County, Tennessee, USA - Jan 1989 Cleveland, Bradley County, Tennessee, USA)
         │ + Clifford Scott
(Abt 1901 Tennessee, USA - ??)
         ├─Lester Kenneth Trewhitt
(Cleveland, Bradley County, Tennessee, USA;13 Apr 1899 - 10 Jan 1973)
         └─Anna Mae Trewhitt
(4 Dec 1913 Bradley County, Tennessee, USA - 26 Nov 1997 Cleveland, Bradley County, Tennessee, USA)
          + Franklin David Bromley
(31 Jan 1907 Limestone, Greene County, Tennessee, USA - Mar 1977 Cleveland, Bradley County, Tennessee, USA)