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: Johan van Holstein
(11 Jun 1862 Kolham, Slochteren, Groningen, Nederland - 13 Jan 1935 Nieuwe Compagnie, Hoogezand, Groningen, Nederland)
Mother: Delia Tor
(15 Jun 1868 Kropswolde, Hoogezand, Groningen, Nederland - 05 Dec 1953 Kiel-Windeweer, Groningen, Nederland)
Grietje van Holstein
(25 Jan 1889 Zuidlaarderveen, Zuidlaren, Drenthe, Nederland - 02 Jul 1935 Groningen, Groningen, Nederland)
Hendrik Martijn
(18 Jun 1883 Annen, Anloo, Drenthe, Nederland - Yes, date unknown)
         ├─ Delia Martijn
(06 Apr 1909 Nieuwe Compagnie, Hoogezand, Groningen, Nederland - Yes, date unknown)
         │ + Thomas van Gennep
(16 Jun 1906 Eenum, 't Zandt, Groningen, Nederland - Yes, date unknown)
         ├─ Lammechien Martijn
(19 Jul 1910 Windeweer, Hoogezand, Groningen, Nederland - Yes, date unknown)
         │ + Willem Imbos
(20 Jul 1911 Foxhol, Hoogezand, Groningen, Nederland - Yes, date unknown)
         ├─ Johan Martijn
(08 Jan 1913 Kropswolde, Hoogezand, Groningen, Nederland - Yes, date unknown)
         └─ Klasina Martijn
(Aug 1915 Kropswolde, Hoogezand, Groningen, Nederland - 11 Mar 1917 Kropswolde, Hoogezand, Groningen, Nederland)