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: Albert Johannes Arends
(05 Jun 1842 De Maten, Emmen, Drenthe, Nederland - Yes, date unknown)
Mother: Sina Aleid Wolters
(21 Jul 1843 De Maten, Emmen, Drenthe, Nederland - Yes, date unknown)
Petrus Arends
(27 May 1868 De Maten, Emmen, Drenthe, Nederland - Yes, date unknown)
+ Anna Helena Hake
(24 Aug 1867 De Maten, Emmen, Drenthe, Nederland - 03 Mar 1896 De Maten, Emmen, Drenthe, Nederland)
Leentje Eckelhoff
(14 Jun 1872 Ter Apel, Vlagtwedde, Groningen, Nederland - 27 Dec 1940 Emmen, Drenthe, Nederland)
         ├─ Johan Bernard Arends
(17 Feb 1899 De Maten, Emmen, Drenthe, Nederland - Yes, date unknown)
         │ + Anna Catharina Streur
(13 May 1907 Munnekemoer, Vlagtwedde, Groningen, Nederland - Yes, date unknown)
         ├─ Jan Geert Arends
(26 Sep 1900 De Maten, Emmen, Drenthe, Nederland - Yes, date unknown)
         │ + Maria Thecla Hofstetter
(24 Feb 1903 Ter Apelkanaal, Vlagtwedde, Groningen, Nederland - Yes, date unknown)
         ├─ Ferdinand Arends
(22 Sep 1902 Emmen, Drenthe, Nederland - Yes, date unknown)
         │ + Helena Adelheid Streur
(15 May 1908 Munnekemoer, Vlagtwedde, Groningen, Nederland - Yes, date unknown)
         ├─ Alida Gesina Arends
(19 Feb 1905 Emmen, Drenthe, Nederland - 12 Jan 2000 Erica, Emmen, Drenthe, Nederland)
         │ + Rudolf Johannes Hanenbergh
(02 Dec 1903 Valthermond, Odoorn, Drenthe, Nederland - 29 Jan 1973 Erica, Emmen, Drenthe, Nederland)
         └─ Franciscus Johannes Arends
(Cal Sep 1907 Emmen, Drenthe, Nederland - 09 Nov 1907 Emmen, Drenthe, Nederland)