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: Klaas Klasens Volders
(22 Apr 1828 Onstwedde, Groningen, Nederland - Yes, date unknown)
Mother: Albertje Prins
(26 Feb 1824 Bellingwolde, Groningen, Nederland - 21 Feb 1881 Bellingwolde, Groningen, Nederland)
Pieter Volders
(29 May 1867 Bellingwolde, Groningen, Nederland - 02 Apr 1947 Bellingwolde, Groningen, Nederland)
Martje Begeman
(14 Dec 1866 Midwolda, Groningen, Nederland - 17 May 1956 Winschoten, Groningen, Nederland)
         ├─ Albertje Volders
(26 Dec 1892 Bellingwolde, Groningen, Nederland - Yes, date unknown)
         │ Gerhardus Brouwer
(24 Nov 1891 Bellingwolde, Groningen, Nederland - 11 Aug 1955 Winschoten, Groningen, Nederland)
         │          └─ Martje Brouwer
(24 Oct 1914 Bellingwolde, Groningen, Nederland - Yes, date unknown)
         │           + Filippus Tuin
(06 May 1913 Scheemda, Groningen, Nederland - Yes, date unknown)
         ├─ Klaas Volders
(03 Jun 1900 Bellingwolde, Groningen, Nederland - Yes, date unknown)
         │ + Stijntje Kuiper
(23 Jun 1905 Bellingwolde, Groningen, Nederland - Yes, date unknown)
         └─ Frederik Volders
(22 Oct 1903 Bellingwolde, Groningen, Nederland - Yes, date unknown)
          + Hillechien Waalkens
(23 Feb 1906 Bellingwolde, Groningen, Nederland - Yes, date unknown)