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":
Johannes Talens
(21 Nov 1819 Obergum, Winsum, Groningen, Nederland - 27 Oct 1855 Obergum, Winsum, Groningen, Nederland)
Betje Meints
(23 Jun 1820 Leek, Groningen, Nederland - 23 Mar 1870 Obergum, Winsum, Groningen, Nederland)
         ├─ Marten Talens
(10 Jan 1845 Obergum, Winsum, Groningen, Nederland - 22 Dec 1927 Groningen, Groningen, Nederland)
         │ Jacomina Guibal
(12 Aug 1849 Groningen, Groningen, Nederland - 16 Feb 1927 Groningen, Groningen, Nederland)
         │          ├─ Johannes Jan Talens
(10 Feb 1872 Groningen, Groningen, Nederland - 31 Aug 1872 Groningen, Groningen, Nederland)
         │          ├─ Ds Johannes Jan Talens
(16 May 1874 Groningen, Groningen, Nederland - Yes, date unknown)
         │          │ Mecheliena Cornelia IJnsonides
(29 Aug 1878 Minnertsga, Het Bildt, Friesland, Nederland - Yes, date unknown)
         │          │          ├─ Jacomina Louisa Talens
(12 Dec 1899 Niekerk, Oldekerk, Groningen, Nederland - Yes, date unknown)
         │          │          ├─ Louisa Petronella Talens
(29 Jul 1901 Niekerk, Oldekerk, Groningen, Nederland - Yes, date unknown)
         │          │          ├─ Marten Talens
(30 Nov 1902 Bierum, Groningen, Nederland - Yes, date unknown)
         │          │          ├─ Johanna Jacoba Geertruida Talens
(11 Jul 1904 Bierum, Groningen, Nederland - Yes, date unknown)
         │          │          ├─ Elisabeth Martina Talens
(09 Jul 1906 Bierum, Groningen, Nederland - Yes, date unknown)
         │          │          ├─ Hans IJnzo Talens
(24 Jan 1908 Bierum, Groningen, Nederland - 08 Jan 1909 Bierum, Groningen, Nederland)
         │          │          ├─ Hans IJnzo Talens
(31 Dec 1909 Bierum, Groningen, Nederland - Yes, date unknown)
         │          │          └─ Alida Johanna Talens
(09 Aug 1912 Bierum, Groningen, Nederland - Yes, date unknown)
         │          ├─ Jacomina Jantiena Talens
(22 Jun 1876 Groningen, Groningen, Nederland - Yes, date unknown)
         │          ├─ Jan Pieter Talens
(18 Nov 1878 Groningen, Groningen, Nederland - Yes, date unknown)
         │          ├─ Betje Martina Talens
(13 Feb 1881 Groningen, Groningen, Nederland - Yes, date unknown)
         │          └─ Alida Johanna Talens
(03 Sep 1891 Groningen, Groningen, Nederland - Yes, date unknown)
         ├─ Bruino Talens
(10 Apr 1846 Bellingeweer, Winsum, Groningen, Nederland - 23 Aug 1846 Bellingeweer, Winsum, Groningen, Nederland)
         └─ Klaas Talens
(12 Jul 1849 Obergum, Winsum, Groningen, Nederland - 27 Aug 1931 Groningen, Groningen, Nederland)
          Adriaantje Takens
(25 Oct 1846 Groningen, Groningen, Nederland - 30 Dec 1933 Groningen, Groningen, Nederland)
                   ├─ Tjacko Johannes Talens
(26 Mar 1874 Groningen, Groningen, Nederland - 13 Jun 1874 Groningen, Groningen, Nederland)
                   ├─ Tjacko Johannes Talens
(03 Apr 1875 Groningen, Groningen, Nederland - Yes, date unknown)
                   └─ Jeltje Elizabeth Talens
(09 Aug 1877 Groningen, Groningen, Nederland - Yes, date unknown)
                    + Friedrich Martin Billroth
(03 May 1878 Groningen, Groningen, Nederland - Yes, date unknown)