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: Thomas Bacon (1 Nov 1793 Maidencreek Twp, Berks County, Pennsylvania, USA - 5 Sep 1871 Jonesborough, Washington County, Tennessee, USA)
Mother: Sarah (Sally) Barron (Jonesborough, Washington County, Tennessee, USA;15 Aug 1805 - 12 Dec 1871)
Jonathan Daunt Bacon
(Washington County, Tennessee, USA;28 Jan 1843 - 11 Jul 1904)
Mary Elizabeth Jones
(23 Jul 1846 Washington County, Tennessee, USA - 10 Oct 1925 Jonesborough, Washington County, Tennessee, USA)
         ├─William Henry Bacon
(16 Apr 1877 Jonesborough, Washington County, Tennessee, USA - 1947 Iowa City, Johnson County, Iowa, USA)
         │ Pearl Ella Crookshanks
(11 Feb 1883 Washington County, Tennessee, USA - Apr 1967 Iowa City, Johnson County, Iowa, USA)
         │          ├─Oscar Dean Bacon
(1908 Tennessee, USA - 30 Jul 1936 Cedar Rapids, Linn County, Iowa, USA)
         │          └─Frances C Bacon
(Iowa, USA;7 Oct 1911 - May 1983)
         │           + Leo C Graper
(30 Jul 1910 Iowa, USA - Jul 1966 bur.Sharon Center, Johnson County, Iowa, USA)
         ├─Virgil Lawrence Bacon
(Washington County, Tennessee, USA;9 Jul 1881 - 13 Jul 1923)
         ├─John Thomas Bacon
(Jonesborough, Washington County, Tennessee, USA;2 Oct 1867 - 7 Jan 1923)
         │ Isabella Bowman
(Washington County, Tennessee, USA;20 Jun 1871 - 19 Oct 1893)
         │ :         ├─Mary I Bacon
(10 Oct 1890 Washington County, Tennessee, USA - 9 Feb 1978 Lone Tree, Johnson County, Iowa, USA)
         │ :         │ + Elmer James Galloway
(22 Dec 1885 Tennessee, USA - 17 Dec 1956 Johnson County, Iowa, USA)
         │ :         └─Bennie Bowman Bacon
(27 Jun 1893 Jonesborough, Washington County, Tennessee, USA -          │ :          12 Jan 1950 bur.Iowa City, Johnson County, Iowa, USA)
         │ :          + John Herman Moyers
(2 Jun 1890 Tennessee, USA - 22 Aug 1975 Iowa City, Johnson County, Iowa, USA)
         │ Sarah Elizabeth Squibb
(6 Aug 1869 Tennessee, USA - 3 Jul 1928 Washington County, Tennessee, USA)
         │          ├─George Squibb Bacon
(Jan 1897 Washington County, Tennessee, USA - 9 Jan 1950 Oak Ridge, Anderson County, Tennessee, USA)
         │          │ Mae Dykes
(26 Jan 1903 Sullivan County, Tennessee, USA - 11 Nov 1938 Kingsport, Sullivan County, Tennessee, USA)
         │          │          └─George Squibb Bacon, Jr
(Washington County, Tennessee, USA;8 Aug 1926 - 8 Aug 1926)
         │          ├─John Thomas Bacon, Jr
(Washington County, Tennessee, USA;25 Nov 1906 - 24 Nov 1962)
         │          │ Ruby Theresa Price
(16 Apr 1914 Washington County, Tennessee, USA - 10 Feb 2006 Limestone, Washington County, Tennessee, USA)
         │          │          └─John Thomas Bacon, III
(Washington County, Tennessee, USA;27 Jun 1946 - 22 Jan 1998)
         │          ├─Anna Ruth Bacon
(4 May 1909 Washington County, Tennessee, USA - 4 Nov 1980 Jonesborough, Washington County, Tennessee, USA)
         │          │ + Joseph Grant Anderson
(Washington County, Tennessee, USA;27 Sep 1915 - 20 Aug 1990)
         │          ├─Lois K Bacon
(1 Aug 1902 Washington County, Tennessee, USA - 26 Dec 1985 Jonesborough, Washington County, Tennessee, USA)
         │          └─Julia F Bacon
(Washington County, Tennessee, USA;22 Aug 1900 - 18 Nov 1978)
         │           + Daniel Clark Keebler
(Washington County, Tennessee, USA;2 Dec 1874 - 8 Sep 1959)
         └─Sarah F "Sallie" Bacon
(Washington County, Tennessee, USA;9 Jan 1871 - 31 Jul 1948)
          + Robert Lee (Buck) Keefauver
(Washington County, Tennessee, USA;15 Sep 1869 - 21 Jul 1948)