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: James Craig Nelson (22 Jun 1834 Indiana, USA - 15 Oct 1923 Carter County, Missouri, USA)
Mother: Caroline Matilda Danforth (18 Sep 1844 Medford, Middlesex County, Massachusetts, USA - 17 Feb 1906 bur.Fitzgerald, Ben Hill County, Georgia, USA)
Edna Louise Nelson
(5 Oct 1880 Wisconsin, USA - 4 Apr 1933 Sacramento County, California, USA)
Frank Leslie Louks
(15 Oct 1875 Wisconsin, USA - 10 Dec 1958 Sacramento County, California, USA)
         ├─Harold Craig Louks
(23 Apr 1902 Georgia, USA - 1 Mar 1983 Sacramento, Sacramento County, California, USA)
         │ + Ruth Ellen Bennett
(16 Mar 1905 Irwin County, Georgia, USA -          │ 26 Sep 1996 bur.Odd Fellows Lawn Cemetery and Mausoleum, Sacramento, Sacramento County, California, USA)
         └─Marion A Louks
(16 Oct 1906 Georgia, USA - 4 May 1975 Sacramento, Sacramento County, California, USA)