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: Judge Levi Trewhitt (14 Jul 1797 Buncombe County, North Carolina, USA - 31 Jan 1862 Mobile, Mobile County, Alabama, USA)
Mother: Harriett Lavender (3 May 1803 Morgan County, Tennessee, USA - 9 Jan 1855 Cleveland, Bradley County, Tennessee, USA)
William Trewhitt
(Bradley County, Tennessee, USA;3 Apr 1838 - 24 Mar 1913)
Myra L Upton
(27 Aug 1843 Tennessee, USA - 19 Feb 1886 Bradley County, Tennessee, USA)
         ├─Minnie J Trewhitt
(11 Jun 1865 Cleveland, Bradley County, Tennessee, USA - 9 Nov 1899 bur.Cleveland, Bradley County, Tennessee, USA)
         ├─Edna E Trewhitt
(Bradley County, Tennessee, USA;31 Mar 1867 - 19 Jun 1899)
         ├─Maud A Trewhitt
(3 Sep 1869 Bradley County, Tennessee, USA - 14 Sep 1900 Hamilton County, Tennessee, USA)
         ├─Nina Abedina Trewhitt
(Cleveland, Bradley County, Tennessee, USA;6 Nov 1872 - 8 Sep 1958)
         │ John William McGhee
(15 Feb 1867 Tennessee, USA - 26 Jun 1938 Cleveland, Bradley County, Tennessee, USA)
         │          └─William Trewhitt McGhee
(7 Aug 1898 Bradley County, Tennessee, USA - 5 Aug 1982 Cleveland, Bradley County, Tennessee, USA)
         │           + Grace Tamsey Orr
(25 Dec 1900 Tennessee, USA - 22 Oct 1988 Cleveland, Bradley County, Tennessee, USA)
         ├─Levi B Trewhitt
(22 Jan 1862 Tennessee, USA - 15 Jun 1934 Chattanooga, Hamilton County, Tennessee, USA)
         │ Marilla Leonard
(11 Apr 1866 Tennessee, USA - 11 Jan 1926 Chattanooga, Hamilton County, Tennessee, USA)
         │ :         └─Gordon Ecton Trewhitt
(24 Dec 1897 Bradley County, Tennessee, USA - 23 Aug 1995 Lookout Mountain, Walker County, Georgia, USA)
         │ :          + Margaret Graves
(Est 1897 - ??)
         │ Daisy Brantly
(1893 Georgia, USA - ??)
         └─Harriett J Trewhitt
(14 Jul 1863 Cleveland, Bradley County, Tennessee, USA - 8 Jun 1903 bur.Cleveland, Bradley County, Tennessee, USA)
          + George "Matson" Reeder
(24 Feb 1858 - 18 Nov 1903 bur.Cleveland, Bradley County, Tennessee, USA)