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: Albertus Heijerman
(21 Sep 1813 Nieuwe Pekela, Groningen, Nederland - 20 May 1896 Nieuwe Pekela, Groningen, Nederland)
Mother: Saartje Jacobs Boerema
(17 Dec 1814 Oude Pekela, Groningen, Nederland - 14 May 1869 Nieuwe Pekela, Groningen, Nederland)
Hindrik Heijerman
(18 Mar 1847 Nieuwe Pekela, Groningen, Nederland - Yes, date unknown)
         └─ Albert Heijerman
(20 Feb 1872 Oude Pekela, Groningen, Nederland - 19 Nov 1953 Stadskanaal, Groningen, Nederland)
          Jantje Grakist
(22 Jul 1873 Stadskanaal, Groningen, Nederland - 27 Dec 1954 Stadskanaal, Groningen, Nederland)
                   ├─ Hindrik Heijerman
(05 Jun 1899 Stadskanaal, Groningen, Nederland - Yes, date unknown)
                   ├─ Albert Heijerman
(25 Feb 1902 Stadskanaal, Groningen, Nederland - Yes, date unknown)
                   │ + Jacoba Siegerdina de Jonge
(05 Dec 1897 Westerdiep, Veendam, Groningen, Nederland - Yes, date unknown)
                   ├─ Henderika Heijerman
(21 Mar 1903 Stadskanaal, Groningen, Nederland - Yes, date unknown)
                   ├─ Hendrik Heijerman
(10 May 1904 Stadskanaal, Groningen, Nederland - Yes, date unknown)
                   │ + Anna Jantina van Dijken
(01 Jan 1904 2e Exloërmond, Odoorn, Drenthe, Nederland - Yes, date unknown)
                   ├─ Pietertje Heijerman
(13 Jun 1905 Stadskanaal, Groningen, Nederland - 30 Aug 1905 Stadskanaal, Groningen, Nederland)