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: Willem Hulshof
(26 Dec 1825 Gieten, Drenthe, Nederland - Yes, date unknown)
Mother: Jantje Sloots
(08 Jan 1838 Gieten, Drenthe, Nederland - Yes, date unknown)
Heiltje Ziena Hulshof
(21 Feb 1876 Gieterveen, Gieten, Drenthe, Nederland - 08 Oct 1944 Emmen, Drenthe, Nederland)
Jakobus Naaijer
(04 Feb 1874 Veendam, Groningen, Nederland - 23 Sep 1949 Emmen, Drenthe, Nederland)
         ├─ Harm Naaijer
(21 Jun 1899 Ter Apelkanaal, Vlagtwedde, Groningen, Nederland - Yes, date unknown)
         │ Marrigje de Roo
(15 Jun 1902 Mussel, Onstwedde, Groningen, Nederland - 26 Apr 1975 Musselkanaal, Onstwedde, Groningen, Nederland)
         │          ├─ Jacobus Naaijer
(Yes, date unknown - Yes, date unknown)
         │          ├─ Gienus Naaijer
(Yes, date unknown - Yes, date unknown)
         │          └─ Jennigje Naaijer
(Yes, date unknown - Yes, date unknown)
         └─ Jantje Naaijer
(12 May 1901 Ter Apelkanaal, Vlagtwedde, Groningen, Nederland - Yes, date unknown)