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":
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┌──Azre (Ezra) Horton
(Betw 1809 and 1821 SC or TN, USA - Bef 1887 Fannin County, Texas, USA)
┌──Thomas Jefferson (Jeff) Horton
(1 Nov 1852 Tishomingo County, Mississippi, USA - │ 30 Sep 1940 Los Angeles, Los Angeles County, California, USA)
│ └──Sarah Hamby
(Betw 1810 and 1821 Tennessee, USA - Abt 1871 Colbert County, Alabama, USA)
│
┌──Brady Leslie Horton
(29 Sep 1897 Quanah, Hardeman County, Texas, USA - 8 Nov 1989 Dallas, Dallas County, Texas, USA)
│ │
│ │ ┌──George Henry Todd
(Abt 1822 North Carolina, USA - Dyersburg, Dyer County, Tennessee, USA) =>
│ └──Virginia Caroline (Jennie) Todd
(5 Dec 1863 Dyersburg, Dyer County, Tennessee, USA - 22 Jan 1935 Quanah, Hardeman County, Texas, USA)
│ └──Margaret Amanda Ross
(12 Oct 1833 Tennessee, USA - 12 Apr 1913 Quanah, Hardeman County, Texas, USA) =>
│
Valle Beth Horton (24 Nov 1929 Amarillo, Potter County, Texas, USA - 5 Jul 2020 Searcy, White County, Arkansas, USA)
│
│ ┌──Hugh Daugherty Hazlet
(21 Jan 1822 Harrison, Hamilton County, Ohio, USA - 16 Jan 1887 Leon, Decatur County, Iowa, USA) =>
│ ┌──William Hugh Hazlet
(2 Apr 1862 Milford, Iroquois County, Illinois, USA - 10 Oct 1936 Brighton, Adams County, Colorado, USA)
│ │ └──Margaret Ann Graham
(12 Jul 1835 Belfast, Ireland - 17 Apr 1921 Leon, Decatur County, Iowa, USA) =>
│ │
└──Ida Marie Hazlet
(29 Sep 1898 Leon, Decatur County, Iowa, USA - 24 Jul 2000 Searcy, White County, Arkansas, USA)
│
│ ┌──Josiah McCutchan
(27 Oct 1833 New Albany, Floyd County, Indiana, USA - 3 Apr 1891 Leon, Decatur County, Iowa, USA) =>
└──Mary Elizabeth McCutchan
(18 Oct 1863 Cambria, Wayne County, Iowa, USA - 4 Apr 1941 Altus, Jackson County, Oklahoma, USA)