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: Derk Reinders Duut
(1752 Veendam, Groningen, Nederland - Yes, date unknown)
Harm Derks Duit
(1786 Veendam, Groningen, Nederland - Yes, date unknown)
Hindrikje Boiten
(24 Jan 1792 Veendam, Groningen, Nederland - Yes, date unknown)
         ├─ Jacob Harms Duit
(23 Nov 1815 Veendam, Groningen, Nederland - Yes, date unknown)
         │ Gesina Winanda Klatter
(07 Sep 1816 Oude Pekela, Groningen, Nederland - Yes, date unknown)
         │          └─ Harm Duit
(24 Apr 1843 Oude Pekela, Groningen, Nederland - 16 Feb 1894 Nieuwe Pekela, Groningen, Nederland)
         │           Gerberdina Oldenburger
(04 Jan 1846 Nieuwe Pekela, Groningen, Nederland - Yes, date unknown)
         │                    ├─ Jakob Duit
(28 Nov 1878 Nieuwe Pekela, Groningen, Nederland - 04 Jan 1888 Nieuwe Pekela, Groningen, Nederland)
         │                    ├─ Albert Hubert Duit
(22 Jul 1880 Nieuwe Pekela, Groningen, Nederland - 22 Jul 1960 Los Angeles County, California, USA) =>
         │                    │ + Mattie Smilde
(15 Feb 1881 Grand Rapids, Kent County, Michigan, USA - 09 Nov 1967 Los Angeles County, California, USA)
         │                    └─ Gesina Winanda Duit
(24 Sep 1884 Nieuwe Pekela, Groningen, Nederland -          │                     05 Dec 1887 Nieuwe Pekela, Groningen, Nederland)
         └─ Derk Duit
(10 Aug 1821 Oosterdiep, Veendam, Groningen, Nederland - 09 Apr 1877 Oude Pekela, Groningen, Nederland)
          Frouwina Pranger
(19 May 1825 Oude Pekela, Groningen, Nederland - Yes, date unknown)
                   └─ Jakob Duit
(19 Mar 1859 Oude Pekela, Groningen, Nederland - Yes, date unknown)
                    + Jantje Scherpbier
(25 Feb 1860 Oude Pekela, Groningen, Nederland - Yes, date unknown)