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: Hindrik Arends Kladder
(30 Aug 1776 Baflo, Groningen, Nederland - 30 Mar 1861 Groningen, Groningen, Nederland)
Mother: Geessien Pieters van Bruggen
(1785 Euvelgunne, Noorddijk, Groningen, Nederland - 03 Aug 1842 Obergum, Winsum, Groningen, Nederland)
Grietje Hindriks Kladder
(12 Jan 1823 Obergum, Winsum, Groningen, Nederland - 21 Jul 1878 Groningen, Groningen, Nederland)
Willem Koerts Slik
(28 Jul 1828 Oude Pekela, Groningen, Nederland - 13 Aug 1886 Groningen, Groningen, Nederland)
         ├─ Koert Willems Slik
(1853 Leer, Ostfriesland, Niedersachsen, Deutschland - Yes, date unknown)
         │ Femmegina Hendrika Broekema
(1852 Amsterdam, Noord-Holland, Nederland - Yes, date unknown)
         │          └─ Pieter Slik
(14 Mar 1887 Charlois, Rotterdam, Zuid-Holland, Nederland - Yes, date unknown)
         └─ Willem Slik
(24 Mar 1860 Groningen, Groningen, Nederland - 30 Jan 1927 Ermelo, Gelderland, Nederland)
          Haukje Dijkstra
(Yes, date unknown - Yes, date unknown)
                   └─ Sieuke Slik
(28 Jun 1888 Delfzijl, Groningen, Nederland - Yes, date unknown)
                    Jan Blaauw
(02 Oct 1881 Sappemeer, Groningen, Nederland - Yes, date unknown)
                             └─ Jakob Blaauw
(28 Jun 1911 Farmsum, Delfzijl, Groningen, Nederland - Yes, date unknown)