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 Simons van der Woude
(17 Feb 1814 Oosterdiep, Veendam, Groningen, Nederland - 02 Feb 1863 Oosterdiep, Veendam, Groningen, Nederland)
Mother: Mattje Remts Luttje
(14 Jan 1821 Oosterdiep, Veendam, Groningen, Nederland - Yes, date unknown)
Grietje van der Woude
(25 May 1849 Oosterdiep, Veendam, Groningen, Nederland - Yes, date unknown)
Karel Kosmeier
(21 Aug 1854 't Veen, Muntendam, Groningen, Nederland - 25 Oct 1928 Veendam, Groningen, Nederland)
         ├─ Annechina Costmeijer
(15 Sep 1885 Ommelanderwijk, Veendam, Groningen, Nederland - 10 Dec 1954 Hoogezand, Groningen, Nederland)
         │ Marten van der Heide
(10 Nov 1884 Muntendam, Groningen, Nederland - 19 May 1943 Groningen, Groningen, Nederland)
         │          ├─ Karel Lodewijk van der Heide
(Mar 1908 Veendam, Groningen, Nederland - 16 Feb 1909 Veendam, Groningen, Nederland)
         │          └─ Karel van der Heide
(Mar 1918 Veendam, Groningen, Nederland - 10 Jan 1919 Veendam, Groningen, Nederland)
         └─ Remko Costmeijer
(21 Feb 1892 Veendam, Groningen, Nederland - Yes, date unknown)
          Trientje Meijer
(24 Apr 1896 Veendam, Groningen, Nederland - Yes, date unknown)
                   ├─ Grietje Costmeijer
(Cal 1914 Veendam, Groningen, Nederland - Yes, date unknown)
                   │ + Jan Eildert Faber
(Cal 1912 Veendam, Groningen, Nederland - Yes, date unknown)