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":
Elizabeth Kouse b. abt. 1843 x, x, x, x, Germany d. ?? (Death place unknown) ~ If available please use Suggest tab
Henry Schaff b. abt. 1843 (Birth place unknown) ~ If available please use Suggest tab d. ?? (Death place unknown) ~ If available please use Suggest tab
   ├─Margaret Schaff 29 years    │ b. 16 Aug 1875 x, x, x, x, Germany    │ d. abt. Mar 1905 (Death place unknown) ~ If available please use Suggest tab
   │ John Hess 75 years    │ b. 16 Jul 1875 x, Mifflin Township, Allegheny County, Pennsylvania, USA    │ d. 20 Sep 1950 Homestead Hospital at 1800 West Street, Homestead, Allegheny County, Pennsylvania, USA    │ m. 24 May 1897 Saint Agnes Church at 635 Saint Agnes Lane, West Mifflin, Allegheny County, Pennsylvania, USA
   │    ├─John Hess 39 years    │    │ b. 08 Mar 1898 x, Mifflin Township, Allegheny County, Pennsylvania, USA    │    │ d. 12 May 1937 x, Mifflin Township, Allegheny County, Pennsylvania, USA
   │    ├─Marie Hess 93 years    │    │ b. 03 Oct 1900 x, x, x, Pennsylvania, USA    │    │ d. 26 Feb 1994 (Death place unknown) ~ If available please use Suggest tab
   │    │ Nicholas A. Manns 86 years    │    │ b. 18 Feb 1898 x, x, x, Pennsylvania, USA    │    │ d. 03 Apr 1984 (Death place unknown) ~ If available please use Suggest tab
   │    │    ├─Leonard L. Manns 19 years    │    │    │ b. 17 Dec 1924 x, x, x, Pennsylvania, USA    │    │    │ d. 15 Jun 1944 (Death place unknown) ~ If available please use Suggest tab
   │    └─George Hess 3 years    │     b. 16 Oct 1902 x, x, x, Pennsylvania, USA    │     d. 08 May 1906 x, Mifflin Township, Allegheny County, Pennsylvania, USA
   └─Anna Schaff 56 years     b. 24 Oct 1881 x, Mifflin Township, Allegheny County, Pennsylvania, USA     d. 18 Sep 1938 x, Mifflin Township, Allegheny County, Pennsylvania, USA
    John Hess 75 years     b. 16 Jul 1875 x, Mifflin Township, Allegheny County, Pennsylvania, USA     d. 20 Sep 1950 Homestead Hospital at 1800 West Street, Homestead, Allegheny County, Pennsylvania, USA     m. 22 Apr 1907 Justice of the Peace, Homestead, Allegheny County, PA