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: Hendrik Kleijn (chr.Sun 25 Nov 1759 Ransdorp (NL) - Wed 6 Dec 1826 Durgerdam (NL))
Mother: Meinsje de Raazer (chr.Sun 23 Mar 1766 Ransdorp (NL) - bur.Sat 3 Nov 1804 Durgerdam (NL))
Annaatje Kleijn
(Durgerdam (NL);Sun 26 Jan 1794 - Wed 26 Jan 1842)
Joost Dirksz de Boer (Durgerdam (NL);chr.Sun 6 Nov 1791 - Mon 31 Jan 1842)(m. Sun 4 Dec 1814 Ransdorp (NL))
   ├─Jelle de Boer (1816 Durgerdam (NL) - ??)
   ├─Meinsje de Boer (1818 Ransdorp (NL) - Wed 16 Oct 1889 Zaandam (NL))
   ├─Jacob de Boer (1828 Durgerdam (NL) - ??)
   ├─Harmen de Boer (1834 - Mon 28 Feb 1887 Harderwijk (NL))