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":
Gertrude Elizabeth Lady
(20 Sep 1874 Tennessee, USA - 20 Aug 1917 Washington County, Tennessee, USA)
Joseph Milburn Bacon
(Washington County, Tennessee, USA;17 Aug 1854 - 15 Aug 1926)
         ├─Johnie E Bacon
(Apr 1885 Washington County, Tennessee, USA - ??)
         ├─Julia Rhea Bacon
(16 Mar 1887 Washington County, Tennessee, USA - 27 Aug 1965 Billings, Yellowstone County, Montana, USA)
         │ + Homer Crawford Keebler
(16 Sep 1886 Greenville, Greene County, Tennessee, USA - 1 Mar 1940 Edgar, Carbon County, Montana, USA)
         ├─Gracie Mabel Bacon
(Jul 1889 Washington County, Tennessee, USA - 1961)
         │ + Bood Archer
(Washington County, Tennessee, USA;3 Jan 1884 - 21 Nov 1947)
         ├─Nellie C Bacon
(Sep 1891 Washington County, Tennessee, USA - ??)
         │ + Ludie Winford Walters
(23 Jan 1890 Washington County, Tennessee, USA - Mar 1968 Greeneville, Greene County, Tennessee, USA)
         ├─Lennie M Bacon
(Abt 1903 Washington County, Tennessee, USA - 11 Oct 1966 Hart County, Kentucky, USA)
         ├─Orgie D Bacon
(1 Dec 1904 Washington County, Tennessee, USA - 25 Oct 2000 Johnson City, Washington County, Tennessee, USA)
         │ + Retha M Tickle
(9 Feb 1906 West Virginia, USA - 20 Apr 1992 bur.Johnson City, Washington County, Tennessee, USA)
         ├─Joseph Milburn Bacon, Jr
(7 Aug 1907 Washington County, Tennessee, USA - May 1983 Jonesborough, Washington County, Tennessee, USA)
         │ + Margaret H ??
(1922 - 2000)
         └─Frank Devault Bacon
(Washington County, Tennessee, USA;6 Nov 1910 - 11 May 1924)