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: James Elbert Bacon (Bradley County, Tennessee, USA;1859 - Between 1886 and 1891)
Mother: Isabella "Bell" Bean (Nov 1860 Bradley County, Tennessee, USA - Aft 1930 Hamilton County, Tennessee, USA)
James Frederick Bacon
(14 Jun 1886 Bradley County, Tennessee, USA - 21 Jul 1977 Georgetown, Hamilton County, Tennessee, USA)
Emma E Roark
(18 Oct 1890 Birchwood, Hamilton County, Tennessee, USA - 27 Sep 1976 Georgetown, Hamilton County, Tennessee, USA)
         ├─James Paul Bacon
(Georgetown, Hamilton County, Tennessee, USA;7 Feb 1911 - 23 Sep 2003)
         │ + Eloise ??
(Abt 1914 Tennessee, USA - ??)
         ├─Annie Ceil Bacon
(Abt 1919 Tennessee, USA - ??)
         ├─John Lewis Bacon
(5 Feb 1912 Tennessee, USA - 22 Dec 2000 Buffalo, Erie County, New York, USA)
         └─Elbert Connor Bacon
(16 Nov 1921 Tennessee, USA - 29 Dec 2010 Chattanooga, Hamilton County, Tennessee, USA)