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: Lubbert Jacobs Oortjes
(Est 1782 Veendam, Groningen, Nederland - 08 Jul 1825 Op zee / At Sea)
Mother: Aaltje Pieters Dekker
(1786 Veendam, Groningen, Nederland - 24 May 1832 Veendam, Groningen, Nederland)
Jakobje Oortjes
(20 Sep 1818 Veendam, Groningen, Nederland - Yes, date unknown)
Roelof Jager
(03 Oct 1815 Groningen, Groningen, Nederland - Yes, date unknown)
:         └─ Aaltje Jager
(06 Apr 1856 Groningen, Groningen, Nederland - Yes, date unknown)
:          Stoffer Boerema
(01 Aug 1856 Schildwolde, Slochteren, Groningen, Nederland - 19 May 1932 Groningen, Groningen, Nederland)
:                   ├─ Jakoba Boerema
(1885 Groningen, Groningen, Nederland - Yes, date unknown)
:                   │ + Markus Postuma
(1888 Leeuwarden, Friesland, Nederland - Yes, date unknown)
:                   └─ Wilko Boerema
(1889 Groningen, Groningen, Nederland - Yes, date unknown)
:                    + Hinderkien van der Tuin
(1893 Groningen, Groningen, Nederland - Yes, date unknown)
+ Hindrik Klooster
(06 Jul 1812 Adorp, Groningen, Nederland - Yes, date unknown)