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: Benjamin Franklin Bacon (3 Aug 1834 Washington County, Tennessee, USA - 8 Mar 1915 Galena, Stone County, Missouri, USA)
Mother: Mary Ann Trewhitt (2 Apr 1836 Bradley County, Tennessee, USA - 3 Feb 1886 Cleveland, Bradley County, Tennessee, USA)
David Madison (Matt) Bacon
(9 Jul 1859 Bradley County, Tennessee, USA - 1947 Oklahoma City, Oklahoma County, Oklahoma, USA)
Belle Foster
(1864 Tennessee, USA - 26 Mar 1940 Kansas City, Jackson County, Missouri, USA)
         ├─Joseph 'Foster' Bacon
(1 Nov 1886 Cherokee Nation, Indian Territory, USA - 1917 bur.Welch, Craig County, Oklahoma, USA)
         │ Effie Adella Linn
(1888 Missouri, USA - 1966 bur.Welch, Craig County, Oklahoma, USA)
         │          ├─Lela Mae Bacon
(1 Apr 1913 Welch, Craig County, Oklahoma, USA - 15 Jan 2004 Vinita, Craig County, Oklahoma, USA)
         │          │ + John Onis Sanders
(16 Jul 1910 Missouri, USA - 8 Jan 1972 Vinita, Craig County, Oklahoma, USA)
         │          ├─Lula Alice Bacon
(20 Jun 1915 Welch, Craig County, Oklahoma, USA - 28 Jun 2005 La Porte, La Porte County, Indiana, USA)
         │          │ + William Ernest Vannest
(1 Feb 1913 Coffeyville, Montgomery County, Kansas, USA -          │          │ 9 Nov 2005 La Porte, La Porte County, Indiana, USA)
         │          ├─David Joseph Bacon
(31 Oct 1908 Welch, Craig County, Oklahoma, USA - Jul 1986 Brentwood, Williamson County, Tennessee, USA)
         │          │ Mary Magaline Davis
(19 May 1912 McCurtain County, Oklahoma, USA - 30 Nov 2004 Brentwood, Williamson County, Tennessee, USA)
         │          │           + Living
         │          └─Lena Bacon
(20 Feb 1911 Coffeyville, Montgomery County, Kansas, USA - 15 Apr 1999 Broken Arrow, Tulsa County, Oklahoma, USA)
         │           + Wilber J Thornton
(5 Jan 1903 Indian Territory, USA - 2 Jul 1987 Independence, Montgomery County, Kansas, USA)
         ├─Belle Bacon
(Abt 1893 Indian Territory, USA - ??)
         │ + Roy Moore
(Abt 1894 Kansas, USA - ??)
         ├─Nora May Bacon
(23 Sep 1887 Indian Territory, USA - Oct 1978 Drumright, Creek County, Oklahoma, USA)
         │ + Andrew K Ralston
(Abt 1869 Mississippi, USA - ??)
         ├─Zelpha Bacon
(10 Nov 1888 Indian Territory, USA - Sep 1978 Caseyville, St Clair County, Illinois, USA)
         │ + Frank Cox
(18 Sep 1890 Vernon County, Missouri, USA - 13 Jan 1974 Oklahoma, USA)
         └─Jenny Bacon
(29 Oct 1889 Indian Territory, USA - ??)
          + Jasper Human McGhee
(Abt 1888 Craig County, Indian Territory, USA - 3 Jul 1976 Muskogee, Muskogee County, Oklahoma, USA)