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 Charles Bacon (Washington County, Tennessee, USA;22 Feb 1844 - 18 Jun 1902)
Benjamin Harrison Bacon
(21 Dec 1888 Tennessee, USA - 11 Jul 1957 Greeneville, Greene County, Tennessee, USA)
Carrie Kathleen Ricker
(22 Feb 1901 Greeneville, Greene County, Tennessee, USA - 24 May 1962 Dade County, Florida, USA)
         ├─Robert Eugene Bacon, Sr
(Oak Ridge, Anderson County, Tennessee, USA;8 Jul 1925 - 27 Nov 2013)
         │ + Living
         ├─Helen Marie Bacon
(25 Aug 1928 Morristown, Hamblen County, Tennessee, USA - 1 May 1981 Boynton Beach, Palm Beach County, Florida, USA)
         │ + Elgie Thomas Stamey
(22 Sep 1928 Crossnore, Avery County, North Carolina, USA - 6 May 2004 Floral City, Citrus County, Florida, USA)
         ├─James Bacon
(Abt 1920 Tennessee, USA - ??)
         ├─Elizabeth Bacon
(Abt 1922 Tennessee, USA - ??)
         ├─Benjamin Harrison Bacon, Jr
(5 Jun 1923 Greeneville, Greene County, Tennessee, USA - 16 Sep 1986 Dade County, Florida, USA)
         └─Emma Sue Bacon
(8 Jul 1925 Oak Ridge, Anderson County, Tennessee, USA - 29 Nov 1934 Greene County, Tennessee, USA)