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: Jacob Kleijn (Durgerdam (NL);Sat 14 Jun 1794 - Sat 23 Jun 1866)
Mother: Antje Door (Sun 18 Dec 1796 Durgerdam (NL) - Sat 30 Jan 1869 Ransdorp (NL))
Cornelis Kleijn
(Durgerdam (NL);Sun 7 Feb 1836 - Wed 19 Dec 1906)
Maria Catharina Marreboom (Durgerdam (NL);Fri 3 Jul 1840 - Thu 9 Nov 1871)(m. Sun 5 May 1867 Ransdorp (NL))
:   │ Pietertje van Zaanen (Sun 8 Jan 1871 Holysloot (NL) - Sat 18 Aug 1923 Amsterdam (NL))
:   │ (m. Wed 11 May 1892 Broek in Waterland (NL))
:   │    ├─Cornelis Klijn (Durgerdam (NL);1893 - Mon 14 Aug 1893)
:   │    ├─Trijntje Klijn (Tue 3 Dec 1895 Durgerdam (NL) - Fri 27 Dec 1968 Utrecht (NL))
:   │    │ Willem Cornelis Hartmans (Sat 21 Mar 1885 Fijnaart (NL) - Wed 3 Jun 1981 Capelle aan de IJssel (NL))
:   │    │ (m. Thu 4 Nov 1915 Ransdorp (NL))
:   │    │    ├─Pietje Hartmans (Sun 9 Sep 1917 Capelle aan de IJssel (NL) - Tue 29 Nov 1988 Utrecht (NL)) =>
:   │    │    │ + Cornelis Fenijn (Abt 1909 Capelle aan de IJssel (NL) - ??)
:   │    │    │ : (m. Sat 14 Dec 1940 Capelle aan de IJssel (NL))
:   │    │    │ + Jacobus Johannus Cornelis Rip (Sat 15 Aug 1914 Mijdrecht (NL) - ??)
:   │    │    │ (m. Mon 21 Aug 1944 Capelle aan de IJssel (NL) )
:   │    │    ├─Roeland Hartmans (Sat 18 Oct 1919 Capelle aan de IJssel (NL) - ??) =>
:   │    │    │ + Cornelia van Gelderen (Sun 7 Nov 1920 Nieuwerkerk aan de IJssel (NL) - ??)
:   │    │    ├─Jacobus Hartmans (Capelle aan de IJssel (NL);Thu 22 Sep 1921 - Tue 30 Mar 1982) =>
:   │    │    └─Willem Cornelis Hartmans (Fri 2 Jun 1933 Capelle aan de IJssel (NL) - :   │    │     Wed 28 Nov 2012 bur.Capelle aan de IJssel (NL))
:   │    ├─Maria Margaretha Klijn (Fri 18 Nov 1898 Durgerdam (NL) - Mon 3 May 1993 Lelystad (NL))