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: Johannes Hopman (Egmond aan Zee (NL);Wed 14 Jul 1819 - Wed 3 Apr 1889)
Mother: Hendrika de Graaff (Tue 4 Jan 1820 Egmond aan Zee (NL) - Sun 4 Dec 1887 Den Helder (NL))
Arie Hopman
(Tue 25 Oct 1842 Egmond aan Zee (NL) - Thu 14 Oct 1915 Wijk aan Zee (NL))
Antje Brasser (Sun 18 Dec 1853 Wijk aan Zee (NL) - > 1889)(m. Fri 5 Sep 1879 Wijk aan Zee (NL))
   └─Hendrika Maria Hopman (Thu 4 Sep 1879 Wijk aan Zee (NL) - Sun 22 Mar 1925 Haarlem (NL))
    Josephus Cornelis Swaalf (Haarlem (NL);Tue 4 Dec 1877 - Wed 6 Jan 1960)(m. Wed 24 Oct 1900 Haarlem (NL))
       └─Cornelis Johannes Swaalf (Sun 30 Dec 1900 Haarlem (NL) - Sun 3 Dec 1989 Alkmaar (NL))
        Johanna Catharina Gieske (Fri 11 Aug 1899 Zandvoort (NL) - Mon 19 Aug 1991 Beverwijk (NL))
        (m. Thu 17 Sep 1925 Zandvoort (NL))