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 Klijn (Durgerdam (NL);Thu 11 Feb 1869 - Fri 14 Sep 1928)
Mother: Pietertje van Zaanen (Sun 8 Jan 1871 Holysloot (NL) - Sat 18 Aug 1923 Amsterdam (NL))
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))
   ├─Roeland Hartmans (Haarlemmermeer (NL);1916 - Thu 22 Jun 1916)
   ├─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) )