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: Tjipke Habink
(16 Jan 1848 Drouwenerveen, Borger, Drenthe, Nederland - 21 Mar 1916 Emmen, Drenthe, Nederland)
Mother: Jantje Grooten
(03 Aug 1841 Nieuw-Buinen, Borger, Drenthe, Nederland - 03 Oct 1916 Emmen, Drenthe, Nederland)
Wanderdina Habing
(27 Nov 1877 Nieuw-Buinen, Borger, Drenthe, Nederland - Yes, date unknown)
Willem Koops
(22 Dec 1876 2e Exloërmond, Odoorn, Drenthe, Nederland - Yes, date unknown)
         ├─ Geertje Koops
(16 Jan 1901 Alteveer, Onstwedde, Groningen, Nederland - Yes, date unknown)
         ├─ Jan Koops
(24 Nov 1903 Nieuwe Pekela, Groningen, Nederland - Yes, date unknown)
         ├─ Albert Koops
(27 Sep 1905 Alteveer, Onstwedde, Groningen, Nederland - Yes, date unknown)
         └─ Tjipke Koops
(20 Sep 1907 Alteveer, Onstwedde, Groningen, Nederland - Yes, date unknown)