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":
Joannes George Greiner (Vinningen, Rhein, Germany;15 Jul 1715 - 17 May 1776)
(m. 19 Jan 1743 Vinningen, Rhein, Germany)
   └─Joannes Greiner (Vinningen, Rhein, Germany;27 Oct 1754 - 15 Mar 1836)
    Catherine Schatz (27 May 1750 Staustein, Rhein, Germany - ??)(m. 5 May 1778 Staustein, Rhein, Germany)
       └─Catherina Greiner (8 May 1795 Vinningen, Rhein, Germany -         16 Sep 1878 Clear Creek Township, Keokuk County, Iowa)
        Balthasar Vogel (28 Dec 1788 Liederschiedt, Moselle, France -         13 Sep 1858 Clear Creek Township, Keokuk County, Iowa)(m. 20 Feb 1816 Vinningen, Rhein, Germany)
           └─Johannes Nicolaus Vogel (10 May 1824 Vinningen, Rhein, Germany -             17 Oct 1898 Clear Creek Township, Keokuk County, Iowa) =>
            + Anna Ottilia Greiner (15 Apr 1824 Vinningen, Rhein, Germany - 5 May 1893 Clear Creek Township,             Keokuk County, Iowa)(m. 5 May 1850 Cincinnati, Hamilton County, Ohio)