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: Derk Schipper
(02 Oct 1847 Muntendam, Groningen, Nederland - 12 Dec 1916 Veendam, Groningen, Nederland)
Mother: Grietje Luttje
(19 Apr 1849 Muntendam, Groningen, Nederland - 30 Jan 1924 Veendam, Groningen, Nederland)
Anje Schipper
(07 Jun 1880 Muntendam, Groningen, Nederland - 23 Mar 1935 Veendam, Groningen, Nederland)
Hillebrand Visser
(18 Jul 1878 Veendam, Groningen, Nederland - Yes, date unknown)
         ├─ Harm Visser
(07 Jan 1902 Veendam, Groningen, Nederland - Yes, date unknown)
         │ + Hillechien Schuur
(05 Nov 1904 Muntendam, Groningen, Nederland - Yes, date unknown)
         ├─ Derk Visser
(04 Mar 1903 Veendam, Groningen, Nederland - Yes, date unknown)
         │ + Gezina Annechina Niekamp
(27 Jun 1905 Appingedam, Groningen, Nederland - Yes, date unknown)
         ├─ Grieto Visser
(19 Jan 1911 Beneden Verlaat, Veendam, Groningen, Nederland - Yes, date unknown)
         └─ Grieto Visser
(17 Nov 1912 Beneden Verlaat, Veendam, Groningen, Nederland - Yes, date unknown)