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: Otto Rubingh
(07 Jun 1835 Wildervank, Groningen, Nederland - 01 Apr 1914 Wildervank, Groningen, Nederland)
Mother: Aaltje Bos
(17 Sep 1837 Ommelanderwijk, Veendam, Groningen, Nederland - 04 Mar 1924 Veendam, Groningen, Nederland)
Alida Rubingh
(11 Dec 1867 Wildervank, Groningen, Nederland - 05 Mar 1961 Veendam, Groningen, Nederland)
Johannes Ploeger
(17 Jan 1868 Veendam, Groningen, Nederland - 07 Jun 1932 Veendam, Groningen, Nederland)
         ├─ Jantina Maria Ploeger
(12 May 1889 Wildervank, Groningen, Nederland - 30 Dec 1956 Veendam, Groningen, Nederland)
         │ Bouke Rouwkema
(25 Nov 1888 Beneden Veensloot, Meeden, Groningen, Nederland - 08 Dec 1960 Groningen, Groningen, Nederland)
         │          └─ Gerrit Hendrik Rouwkema
(06 Dec 1909 Veendam, Groningen, Nederland - Yes, date unknown)
         │           + Sietske Schuiling
(21 Jun 1910 Beneden Verlaat, Veendam, Groningen, Nederland - Yes, date unknown)
         ├─ Otto Ploeger
(31 Jul 1890 Borgercompagnie, Veendam, Groningen, Nederland - Yes, date unknown)
         │ + Hillechien Prummel
(12 May 1892 Annerveenschekanaal, Anloo, Drenthe, Nederland - Yes, date unknown)
         ├─ Aaltje Ploeger
(25 Aug 1893 Borgercompagnie, Veendam, Groningen, Nederland - Yes, date unknown)
         │ + Jan Prijt
(18 Jun 1899 Stadskanaal, Groningen, Nederland - Yes, date unknown)
         └─ Tjakkina Ploeger
(03 Aug 1895 Borgercompagnie, Veendam, Groningen, Nederland - Yes, date unknown)