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: Elisha Granville (E.G.) Sewell (25 Oct 1830 Overton County, Tennessee, USA - 2 Mar 1924 Nashville, Davidson County, Tennessee, USA)
Mother: Lucinda (Lucy) Kuykendall (18 Sep 1833 Jackson County, Tennessee, USA - 29 Nov 1926 Nashville, Davidson County, Tennessee, USA)
Emar A. (Emma) Sewell
(23 Feb 1855 Putnam County, Tennessee, USA - 23 Apr 1921 Nashville, Davidson County, Tennessee, USA)
Samuel L Dodd
(25 Dec 1849 Williamson County, Texas, USA - 15 Oct 1928 Sherman, Grayson County, Texas, USA)
         ├─Lucy Dodd
(18 Feb 1881 Nashville, Davidson County, Tennessee, USA - 31 Mar 1968 Dallas, Dallas County, Texas, USA)
         │ + Robert Halsell Chowning
(17 Nov 1881 Texas, USA - 14 Jan 1938 Dallas, Dallas County, Texas, USA)
         └─Bessie Mae Dodd
(Jan 1887 Tennessee, USA - ??)