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 Snoddy Myers (30 May 1818 Jefferson County, Tennessee, USA - 10 Nov 1914 McMinnville, Warren County, Tennessee, USA)
Mother: Martha Jane Billingsley (15 Mar 1822 Bledsoe County, Tennessee, USA - 28 Jan 1888 McMinnville, Warren County, Tennessee, USA)
Andrew Campbell Myers
(13 Apr 1853 Warren County, Tennessee, USA - 18 May 1932 McMinnville, Warren County, Tennessee, USA)
Octa Hill
(7 Mar 1862 Warren County, Tennessee, USA - 11 Dec 1939 Tullahoma, Franklin County, Tennessee, USA)
         ├─Irene Myers
(16 Jul 1882 Warren County, Tennessee, USA - 18 Apr 1957 Nashville, Davidson County, Tennessee, USA)
         │ + Edgar Leland Rogers
(6 Jan 1869 Tennessee, USA - 27 Oct 1960 bur.Murfreesboro, Rutherford County, Tennessee, USA)
         ├─Edna Grace Myers
(2 Apr 1885 Warren County, Tennessee, USA - 29 Dec 1970)
         │ + James William Scism
(3 Jan 1877 Tennessee, USA - 5 Jan 1957 Kingsport, Sullivan County, Tennessee, USA)
         ├─Leslie Hill Myers
(19 Aug 1886 Warren County, Tennessee, USA - 3 May 1921 McMinnville, Warren County, Tennessee, USA)
         │ Kate Bales
(31 Dec 1891 Tennessee, USA - 22 Nov 1982 Idaho Springs, Clear Creek County, Colorado, USA)
         │          ├─Virginia H Myers
(Abt 1919 McMinnville, Warren County, Tennessee, USA - ??)
         │          └─Francis or Kathleen Myers
(Abt 1920 McMinnville, Warren County, Tennessee, USA - ??)
         ├─Martha Lee Myers
(1 Oct 1888 Warren County, Tennessee, USA - 27 Oct 1951 Nashville, Davidson County, Tennessee, USA)
         │ + Samuel Addison Mitchell
(9 Jan 1887 Tennessee, USA - 22 Nov 1953 Murfreesboro, Rutherford County, Tennessee, USA)
         ├─William Sutton Myers
(20 Oct 1891 Warren County, Tennessee, USA - 16 Feb 1948 Chattanooga, Hamilton County, Tennessee, USA)
         │ + Gladys Thelma Woodlee
(21 Jul 1901 Altamont, Grundy County, Tennessee, USA - ??)
         ├─Mary Virginia Myers
(8 Oct 1893 Warren County, Tennessee, USA - ??)
         ├─John Alva Myers, Sr
(6 May 1896 Warren County, Tennessee, USA - 13 Jun 1965 Winchester, Franklin County, Tennessee, USA)
         │ Kathryn Shook
(20 Dec 1897 Tennessee, USA - 25 Oct 1985 Winchester, Franklin County, Tennessee, USA)
         │          ├─John Alva Myers, Jr
(15 Feb 1934 Winchester, Franklin County, Tennessee, USA - 30 Jul 2016 Atlanta, Fulton County, Georgia, USA)
         │          │ + Kathryn Miller Knight
(25 Nov 1932 - 11 Apr 1994 bur.Decatur, DeKalb County, Georgia, USA)
         └─Andrew Campbell Myers, Jr
(18 Feb 1903 Warren County, Tennessee, USA - 2 Dec 1973 McMinnville, Warren County, Tennessee, USA)
          Jean Allen
(22 Nov 1902 Iowa, USA - 14 Oct 1981 McMinnville, Warren County, Tennessee, USA)