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: Jakob Derks Flik
(23 Aug 1808 Veendam, Groningen, Nederland - 25 Feb 1845 Beneden Verlaat, Veendam, Groningen, Nederland)
Mother: Tietje Klaassens Prins
(20 Aug 1812 Noordbroek, Groningen, Nederland - Yes, date unknown)
Klaas Flik
(25 Jan 1839 Beneden Verlaat, Veendam, Groningen, Nederland - 10 Dec 1876 Veendam, Groningen, Nederland)
Grietje Bakker
(26 Dec 1839 Oosterdiep, Veendam, Groningen, Nederland - 26 Aug 1896 Veendam, Groningen, Nederland)
         └─ Fietje Flik
(Cal 1873 Alphen aan de Rijn, Zuid-Holland, Nederland - Yes, date unknown)
          Pieter Meijer
(08 Oct 1869 Veendam, Groningen, Nederland - Yes, date unknown)
                   └─ Siewert Pieter Meijer
(15 Feb 1896 Veendam, Groningen, Nederland - Yes, date unknown)
                    + Geesje Dekker
(19 Sep 1899 Groningen, Groningen, Nederland - Yes, date unknown)