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: Jacob Bacon (Washington County, Tennessee, USA;1 Aug 1802 - 12 Oct 1859)
Mother: Elizabeth Keebler (21 Apr 1799 Rockbridge County, Virginia, USA - Oct 1870 Bradley County, Tennessee, USA)
William Henry Harrison Bacon
(26 Nov 1840 Washington County, Tennessee, USA - 28 Sep 1882 Cleveland, Bradley County, Tennessee, USA)
         ├─William Franklin Bacon
(Bradley County, Tennessee, USA;10 Sep 1866 - 16 Aug 1867)
         ├─Lydia Ann Bacon
(18 Feb 1868 Bradley County, Tennessee, USA - 1 Sep 1908 bur.Cleveland, Bradley County, Tennessee, USA)
         │ + J S Gentry
(Est 1868 - ??)
         ├─Sarah Elizabeth (Sallie) Bacon
(2 Apr 1870 Bradley County, Tennessee, USA - 25 Dec 1914 Cleveland, Bradley County, Tennessee, USA)
         └─Oscar H Bacon
(1872 Tennessee, USA - 1933 Ohio, USA)
          Clara F Austin
(1 Sep 1877 Tennessee, USA - 18 Nov 1957 Chattanooga, Hamilton County, Tennessee, USA)
          :         └─Forrest Austin Bacon
(2 Sep 1901 Cleveland, Bradley County, Tennessee, USA -           :          17 Nov 1974 Chattanooga, Hamilton County, Tennessee, USA)
          :          + Cecile Tonkin
(8 Feb 1904 - 12 Mar 1978 Chattanooga, Hamilton County, Tennessee, USA)
          + Margaret Henshaw
(Ohio, USA;1874 - 1950)