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: Harm Harms Olthof
(12 Apr 1771 Veendam, Groningen, Nederland - 26 Nov 1834 Zuidlaren, Drenthe, Nederland)
Mother: Wijgertje Alberts Wijk
(09 Apr 1779 Spijkerboor, Anloo, Drenthe, Nederland - 17 Jun 1863 Zuidlaarderveen, Zuidlaren, Drenthe, Nederland)
Geesje Olthof
(17 Jan 1816 Zuidlaarderveen, Zuidlaren, Drenthe, Nederland - Yes, date unknown)
Siepko Kempinga
(20 Jul 1816 Kolham, Slochteren, Groningen, Nederland - 15 Dec 1860 Kropswolde, Hoogezand, Groningen, Nederland)
:         └─ Sara Kempinga
(31 Jul 1845 Kalkwijk, Hoogezand, Groningen, Nederland - Yes, date unknown)
+ Klaas Jans Kuiper
(1809 Hoogezand, Groningen, Nederland - 04 Feb 1880 Kropswolde, Hoogezand, Groningen, Nederland)