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: Jan Egberts Blaak
(1776 Wildervank, Groningen, Nederland - 24 Jul 1826 Wildervank, Groningen, Nederland)
Mother: Jantje Harms Huizingh
(1784 Wildervank, Groningen, Nederland - Yes, date unknown)
Nijssien Jans Blaak
(09 Sep 1819 Wildervank, Groningen, Nederland - 11 Jan 1899 Veendam, Groningen, Nederland)
Willem Pieters Grasmeijer
(05 Apr 1822 Sappemeer, Groningen, Nederland - 05 Jul 1850 London, England, United Kingdom)
          Hindrik Prummel
(26 Oct 1846 Ommelanderwijk, Veendam, Groningen, Nederland - 26 Jul 1924 Veendam, Groningen, Nederland)
                   ├─ Niessina Prummel
(13 Jan 1877 Veendam, Groningen, Nederland - 29 Sep 1946 Groningen, Groningen, Nederland)
                   │ + Jan Meiborg
(04 Jan 1883 Wildervank, Groningen, Nederland - 07 Dec 1941 Groningen, Groningen, Nederland)
                   ├─ Jan Prummel
(19 Jul 1880 Veendam, Groningen, Nederland - 13 Jun 1934 Groningen, Groningen, Nederland)
                   │ Grietje Post
(11 Nov 1878 Muntendam, Groningen, Nederland - Yes, date unknown)
                   │          ├─ Hendrik Otto Prummel
(06 Feb 1905 Wildervank, Groningen, Nederland - 19 Jun 1955 Groningen, Groningen, Nederland)
                   │          └─ Roelfiena Wilhelmina Prummel
(06 Feb 1909 Wildervank, Groningen, Nederland -                    │           14 Nov 1952 Groningen, Groningen, Nederland)
                   ├─ Willemina Jantina Prummel
(10 May 1886 Oosterdiep, Veendam, Groningen, Nederland - Yes, date unknown)
                   │ Pieter Post
(23 May 1885 Morige, Wedde, Groningen, Nederland - 23 Apr 1935 Groningen, Groningen, Nederland)
                   │          ├─ Roelfina Wilhelmina Post
(27 Nov 1908 Alteveer, Onstwedde, Groningen, Nederland - Yes, date unknown)
                   │          └─ Wilhelmina Post
(09 Nov 1912 Alteveer, Onstwedde, Groningen, Nederland - Yes, date unknown)
                   │           + Albert Onnes
(28 Dec 1910 Groningen, Groningen, Nederland - Yes, date unknown)
                   └─ Harm Prummel
(07 Jul 1890 Veendam, Groningen, Nederland - Yes, date unknown)
                    + Stijntje Kespohl
(19 Aug 1897 Wildervank, Groningen, Nederland - Yes, date unknown)