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: Berend Jakobs Mooibroek
(1819 Meeden, Groningen, Nederland - 06 Aug 1870 Meeden, Groningen, Nederland)
Mother: Aaltje Harms Vrolijk
(16 May 1821 Meeden, Groningen, Nederland - 18 Jan 1893 Meeden, Groningen, Nederland)
Weia Mooibroek
(1855 Meeden, Groningen, Nederland - 07 Aug 1897 Meeden, Groningen, Nederland)
Lammert Feiken
(03 Feb 1858 Meeden, Groningen, Nederland - 22 Jul 1935 Scheemda, Groningen, Nederland)
         ├─ NN Feikens
(Yes, date unknown - 18 Jan 1883 Beneden Veensloot, Meeden, Groningen, Nederland)
         ├─ NN Feikens
(Yes, date unknown - 02 Feb 1884 Beneden Veensloot, Meeden, Groningen, Nederland)
         ├─ Hillechiena Feiken
(12 Oct 1885 Wildervanksterdallen, Wildervank, Groningen, Nederland - 29 Jan 1901 Meeden, Groningen, Nederland)
         └─ Aaltje Feiken
(07 Jul 1888 Wildervank, Groningen, Nederland - Yes, date unknown)