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: Foeke Schaap
(25 Nov 1834 Groningen, Groningen, Nederland - Yes, date unknown)
Mother: Hendrikje Mulder
(Est 1830 Groningen, Groningen, Nederland - 24 Jan 1891 Groningen, Groningen, Nederland)
Geesien Schaap
(12 Jan 1870 Groningen, Groningen, Nederland - 03 Feb 1908 Groningen, Groningen, Nederland)
Pieter Schuls
(12 Oct 1869 Groningen, Groningen, Nederland - 17 Jul 1906 Groningen, Groningen, Nederland)
         ├─ Frederik Schuls
(07 Apr 1894 Groningen, Groningen, Nederland - Est 1986 Groningen, Groningen, Nederland)
         │ Ida Cornelia Nauta
(30 Jun 1894 Groningen, Groningen, Nederland - 27 Mar 1977 Groningen, Groningen, Nederland)
         │          ├─ Gesina Ida Schuls
(Cal 1918 Groningen, Groningen, Nederland - 06 Feb 1974 Groningen, Groningen, Nederland)
         │          │ Hein Wagter
(19 Sep 1912 Hoornsche Dijk, Haren, Groningen, Nederland - 19 Aug 1994 Groningen, Groningen, Nederland)
         │          │          ├─ Living
         │          │          │ + Living
         │          │          ├─ Living
         │          │          ├─ Living
         │          │          │ + Living
         │          │          └─ Living
         │          ├─ Frouwkina Schuls
(04 Jun 1920 Groningen, Groningen, Nederland - 31 Dec 2004 Groningen, Groningen, Nederland)
         │          │ Bernardus Johannus Bernardus Drenth
(28 Mar 1918 Oude Pekela, Groningen, Nederland - 26 Sep 1968 Groningen, Groningen, Nederland)
         │          │          │ + Living
         │          │          │ + Rogeer Clemens Constant Flint
(02 Jan 1949 Winschoten, Groningen, Nederland - 20 May 2006)
         │          │          └─ Living
         │          │           + Living
         │          └─ Pieter Schuls
(29 Jun 1927 Groningen, Groningen, Nederland - 22 Dec 2008 Amersfoort, Utrecht, Nederland)
         │           Living
         │                    ├─ Living
         │                    └─ Living
         ├─ Hinderkien Schuls
(15 Oct 1895 Groningen, Groningen, Nederland - 25 Jan 1898 Groningen, Groningen, Nederland)
         ├─ Pieter Schuls
(28 Dec 1897 Groningen, Groningen, Nederland - Yes, date unknown)
         │ + Martina Maria van Brussel
(26 May 1882 Helmond, Noord-Brabant, Nederland - Yes, date unknown)
         ├─ Aaltje Schuls
(05 Sep 1901 Groningen, Groningen, Nederland - Yes, date unknown)