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 Pieters Leenders
(1795 Muntendam, Groningen, Nederland - 13 Aug 1863 Borgercompagnie, Muntendam, Groningen, Nederland)
Eppe Jans Leenders
(27 Feb 1822 Borgercompagnie, Muntendam, Groningen, Nederland - 14 Jul 1872 Haren, Groningen, Nederland)
Willemtje Maathuis
(30 Sep 1823 Lula, Hoogezand, Groningen, Nederland - 28 Nov 1874 Haren, Groningen, Nederland)
         ├─ Trientje Leenders
(27 Jun 1851 Haren, Groningen, Nederland - 10 Oct 1880 Haren, Groningen, Nederland)
         │ Pieter van Hemmen
(14 Mar 1850 Essen, Haren, Groningen, Nederland - 18 Dec 1894 Haren, Groningen, Nederland)
         │          └─ Willemina Jantiene van Hemmen
(05 Jun 1878 Haren, Groningen, Nederland - Yes, date unknown)
         │           Assien van der Vegt
(1866 Dalfsen, Overijssel, Nederland - 09 Apr 1941 Groningen, Groningen, Nederland)
         │                    └─ Fennechine van der Vegt
(13 Apr 1904 Westeremden, Stedum, Groningen, Nederland - Yes, date unknown)
         └─ Fennechien Leenders
(22 Nov 1858 Haren, Groningen, Nederland - 23 Feb 1932 Haren, Groningen, Nederland)
          Pieter van Hemmen
(14 Mar 1850 Essen, Haren, Groningen, Nederland - 18 Dec 1894 Haren, Groningen, Nederland)
                   ├─ Jantje van Hemmen
(Yes, date unknown - Yes, date unknown)
                   │ + Pieter Takens
(01 Jan 1865 Hemmen, Haren, Groningen, Nederland - 20 Dec 1944 Eelde, Drenthe, Nederland)
                   └─ Trientje van Hemmen
(29 May 1887 Haren, Groningen, Nederland - Yes, date unknown)
                    + Willem Ab
(07 Mar 1887 Nieuwe Pekela, Groningen, Nederland - Yes, date unknown)