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 Gleyne Groen (Egmond aan Zee (NL);chr.Sun 3 Sep 1769 - Sat 29 Apr 1843)
Mother: Guurtje Pieters Stam (chr.Sat 20 Mar 1773 b.Egmond aan Zee (NL) - Sun 16 Jan 1848 Egmond aan Zee (NL))
Teunisje Groen
(Egmond aan Zee (NL);Abt 1814 - Fri 21 Feb 1851)
Jan Schong (Abt 1816 Egmond aan Zee (NL) - ??)(m. Sun 27 May 1838 Egmond aan Zee (NL))
   └─Jan Schong (Tue 16 May 1843 Egmond aan Zee (NL) - Fri 28 Sep 1900 Den Helder (NL))
    Aafje Genet (Abt 1846 Egmond Binnen (NL) - ??)(m. Tue 19 Jun 1866 Egmond aan Zee (NL))
       └─Jan Schong (Mon 2 Dec 1867 Egmond aan Zee (NL) - Fri 4 Nov 1927 Beverwijk (NL))
        Catharina Hendrika Duijvelshoff (Abt 1875 Den Helder (NL) - ??)(m. Thu 8 Feb 1894 Den Helder (NL))
           └─Catharina Hendrika Schong (Sun 8 Jan 1911 IJmuiden (NL) - Thu 17 Jun 1999 Vancouver (CAN)) =>