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: Johann Bolen
(Abt 1600 Versen, Meppen, Niedersachsen, Deutschland - Mar 1646 Meppen, Niedersachsen, Deutschland)
         │                    ├─ Johan Hermann Staels
(1721 Versen, Meppen, Niedersachsen, Deutschland - Yes, date unknown)
         │                    ├─ Anna Margaretha Staels
(1724 Versen, Meppen, Niedersachsen, Deutschland - Yes, date unknown)
         │                    ├─ Hermann Stael
(1729 Versen, Meppen, Niedersachsen, Deutschland - Yes, date unknown) =>
         │                    │ + Anna Maria Evers
(Est 1730 Versen, Meppen, Niedersachsen, Deutschland - Yes, date unknown)
         │                    │ + Anna Helena Fennekken
(Est 1745 Bersede, Wesuwe, Niedersachsen, Deutschland -          │                    │ Yes, date unknown)
         │                    ├─ Hermann Wessel Staels
(1730 Versen, Meppen, Niedersachsen, Deutschland - Yes, date unknown)
         │                    ├─ Phenenna Staels
(Est 1732 Versen, Meppen, Niedersachsen, Deutschland - Yes, date unknown)
         │                    │ + Johann Heinrich Regge
(Est 1730 Wesuwe, Niedersachsen, Deutschland - Yes, date unknown)
         │                    └─ Martinus Staels
(Est 1733 Versen, Meppen, Niedersachsen, Deutschland - Yes, date unknown)
         │                     + Anna Maria Borgers
(Est 1735 - Yes, date unknown)
         └─ Euphemia Bolen
(Abt 1665 Versen, Meppen, Niedersachsen, Deutschland - 22 Aug 1757 Versen, Meppen, Niedersachsen, Deutschland)
          Johann Wilmes
(Abt 1665 Versen, Meppen, Niedersachsen, Deutschland - Yes, date unknown)
                   ├─ Johann Bolen
(1691 Versen, Meppen, Niedersachsen, Deutschland - Yes, date unknown)
                   ├─ Heinrich Martin Bolen
(1695 Versen, Meppen, Niedersachsen, Deutschland - 25 Oct 1755 Wesuwe, Niedersachsen, Deutschland)
                   └─ Gesina Bolen
(1698 Versen, Meppen, Niedersachsen, Deutschland - Yes, date unknown)