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: Silvanus Bacon (25 Dec 1840 Washington County, Tennessee, USA - 1910 Nobob, Barren County, Kentucky, USA)
Mother: Sarah Ann Carey (7 Feb 1841 Washington County, Tennessee, USA - 7 Dec 1912 Glasgow, Barren County, Kentucky, USA)
William Henry Bacon
(7 Apr 1879 Glasgow, Barren County, Kentucky, USA - 8 Jul 1961 McLean County, Illinois, USA)
Bedie Ann Free
(10 Dec 1884 Eighty Eight, Barren County, Kentucky, USA - 26 Jan 1951 Le Roy, McLean County, Illinois, USA)
         ├─Bertha Bacon
(Abt 1907 McLean County, Illinois, USA - ??)
         ├─Johnce Bacon
(Abt 1912 Kentucky, USA - ??)
         ├─Mabel Bacon
(Abt 1914 Kentucky, USA - ??)
         ├─Haskel Albert Bacon
(22 Feb 1916 Glasgow, Barren County, Kentucky, USA - 9 Aug 2005 Normal, McLean County, Illinois, USA)
         │ Martha F (Boots) Peak
(24 Jul 1915 Hooppole, Henry County, Illinois, USA - 24 Sep 2011 Normal, McLean County, Illinois, USA)
         ├─Mary Christine Bacon
(15 Feb 1918 McLean County, Illinois, USA - 27 Jul 2000 Clinton, DeWitt County, Illinois, USA)
         ├─Vernon Buel Bacon
(3 Feb 1920 McLean County, Illinois, USA - 9 May 1993 Decatur, Macon County, Illinois, USA)
         ├─Owen Bacon
(Abt 1922 McLean County, Illinois, USA - ??)
         ├─Pearl Bacon
(Abt 1905 Kentucky, USA - ??)
         └─Ruby Bacon
(Abt 1910 Kentucky, USA - ??)