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":
James Charles Bacon
(Washington County, Tennessee, USA;22 Feb 1844 - 18 Jun 1902)
         ├─William H Bacon
(Washington County, Tennessee, USA;28 Apr 1867 - 20 Nov 1883)
         ├─Charles D Bacon
(Mar 1869 Washington County, Tennessee, USA - Aft 1930)
         │ Carrie Boring
(15 Sep 1869 Greenfield, Greene County, Illinois, USA - 22 Mar 1928 Rubicon, Greene County, Illinois, USA)
         │          ├─Clara J Bacon
(Abt 1905 Illinois, USA - ??)
         │          ├─Robert A Bacon
(Abt 1906 Illinois, USA - ??)
         │          └─Hellen Bacon
(Abt 1911 Illinois, USA - ??)
         ├─Samuel Washington Bacon
(29 Nov 1871 Washington County, Tennessee, USA - 23 Jul 1940 Hamblen County, Tennessee, USA)
         │ Flora Ellen Love
(14 Oct 1873 Tennessee, USA - 25 Oct 1953 Hamblen County, Tennessee, USA)
         │          ├─Maude S Bacon
(Feb 1891 Tennessee, USA - ??)
         │          ├─James T Bacon
(Jul 1893 Tennessee, USA - ??)
         │          ├─Thomas J Bacon
(May 1896 Tennessee, USA - ??)
         │          ├─Evelyn Bacon
(Mar 1899 Tennessee, USA - ??)
         │          ├─Nellie Bacon
(Abt 1903 Tennessee, USA - ??)
         │          ├─William Marcus Bacon
(27 Jun 1905 Greeneville, Greene County, Tennessee, USA -          │          │ 8 Jun 1993 Russellville, Hamblen County, Tennessee, USA)
         │          ├─Dale Bacon
(1909 Tennessee, USA - ??)
         │          ├─Ona Bacon
(Abt 1894 Tennessee, USA - ??)
         │          ├─Bertha Bacon
(Abt 1900 Tennessee, USA - ??)
         │          └─Minnis McCoy Bacon
(8 Jan 1899 Greeneville, Greene County, Tennessee, USA - Oct 1977 Talbott, Hamblen County, Tennessee, USA)
         │           Clara M Miller
(Dec 1899 Tennessee, USA - ??)
         ├─Flora E Bacon
(19 Feb 1874 Washington County, Tennessee, USA - 14 May 1958 Marshall, Macon County, North Carolina, USA)
         │ + Henry Clinton Boles
(18 Mar 1874 Tennessee, USA - 15 Apr 1944 bur.Greeneville, Greene County, Tennessee, USA)
         ├─Robert Oscar Bacon
(Aug 1876 Washington County, Tennessee, USA - ??)
         ├─Nancy Alice Bacon
(4 Mar 1879 Washington County, Tennessee, USA - 24 Aug 1945 Greene County, Tennessee, USA)
         ├─Walter Bacon
(Jan 1885 Tennessee, USA - 12 Mar 1934 Cocke County, Tennessee, USA)
         │ Nettie Knight
(18 Mar 1889 Tennessee, USA - Apr 1986 Newport, Cocke County, Tennessee, USA)
         │          ├─Katheleen Bacon
(Abt 1922 Tennessee, USA - ??)
         │          └─Mildred Bacon
(Abt 1914 Tennessee, USA - ??)
         ├─Mary Virginia Bacon
(15 Feb 1886 Tennessee, USA - 5 Mar 1954 Greeneville, Greene County, Tennessee, USA)
         │ + Gabriel Garfield Boles
(16 Feb 1881 Greene County, Tennessee, USA - 20 May 1950 Greeneville, Greene County, Tennessee, USA)
         ├─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)
         └─Sudie Bacon
(Dec 1884 Tennessee, USA - ??)