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: Jan Tammes Niewold
(1783 Oude Pekela, Groningen, Nederland - 15 Aug 1853 Oude Pekela, Groningen, Nederland)
Mother: Mettje Klaassens Potjewijd
(1794 Veendam, Groningen, Nederland - 26 Oct 1883 Oude Pekela, Groningen, Nederland)
Marta Niewold
(26 Nov 1829 Oude Pekela, Groningen, Nederland - Yes, date unknown)
Christoffer Hindriks Boolman
(06 Feb 1814 Oude Pekela, Groningen, Nederland - 15 Aug 1862 Groningen, Groningen, Nederland)
:         ├─ Timotheus Boolman
(19 Oct 1853 Stadskanaal, Groningen, Nederland - 13 Mar 1861 Stadskanaal, Groningen, Nederland)
:         ├─ Maria Alida Helena Boolman
(16 Nov 1856 Stadskanaal, Groningen, Nederland - 11 Feb 1857 Stadskanaal, Groningen, Nederland)
:         ├─ Christophorus Hubertus Gerhardus Boolman
(10 Jul 1858 Stadskanaal, Groningen, Nederland - 05 Nov 1859 Stadskanaal, Groningen, Nederland)
:         ├─ Maria Helena Martha Boolman
(02 Oct 1860 Stadskanaal, Groningen, Nederland - Yes, date unknown)