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: George Wattenbarger (Abt 1813 Washington County, Tennessee, USA - ??)
Mother: Nancy Ann Collet (1819 Tennessee, USA - 15 Mar 1884 bur.Springtown, Benton County, Arkansas, USA)
Adam B Wattenbarger
(10 Mar 1835 Washington County, Tennessee, USA - 22 Mar 1921 Omega, Kingfisher County, Oklahoma, USA)
Hester Jane Holmes
(20 Feb 1836 Tennessee, USA - 10 Jan 1922 bur.Douglas Cemetery Highfill, Benton County, Arkansas, USA)
         ├─Virginia Wattenbarger
(Abt 1863 Tennessee, USA - ??)
         ├─Elizabeth Wattenbarger
(Abt 1867 Benton County, Arkansas, USA - 9 Feb 1944 Oolagah, Rogers County, Oklahoma, USA)
         │ + Samuel Alexander Philpott
(10 Oct 1861 Tennessee, USA - 24 Oct 1957 Oolagah, Rogers County, Oklahoma, USA)
         └─Luvada Wattenbarger
(8 Jun 1876 Arkansas, USA - 1 Nov 1906 bur.Ketchum, Craig County, Oklahoma, USA)
          + James H Leonard
(Abt 1868 - ??)