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":
Jantje Baar
(24 Apr 1833 Midwolda, Groningen, Nederland - 18 Dec 1891 Stadskanaal, Groningen, Nederland)
Jan de Boer
(12 Jul 1840 Wildervank, Groningen, Nederland - 23 Nov 1908 Stadskanaal, Groningen, Nederland)
         ├─ Hinderika de Boer
(10 Mar 1858 Stadskanaal, Groningen, Nederland - 29 Oct 1858 Stadskanaal, Groningen, Nederland)
         ├─ Jan Hendrik de Boer
(27 Mar 1860 Onstwedde, Groningen, Nederland - Yes, date unknown)
         ├─ Hinderika de Boer
(07 Dec 1862 Onstwedde, Groningen, Nederland - Yes, date unknown)
         ├─ Wessel de Boer
(14 Jul 1865 Stadskanaal, Groningen, Nederland - 13 Aug 1865 Stadskanaal, Groningen, Nederland)
         ├─ NN de Boer
(15 Sep 1868 Stadskanaal, Groningen, Nederland - 15 Sep 1868 Stadskanaal, Groningen, Nederland)
         ├─ Wessel de Boer
(17 Aug 1870 Stadskanaal, Groningen, Nederland - 13 Sep 1870 Stadskanaal, Groningen, Nederland)
         ├─ Wessel de Boer
(15 Nov 1873 Onstwedde, Groningen, Nederland - Yes, date unknown)
         └─ Sikko de Boer
(11 Sep 1877 Onstwedde, Groningen, Nederland - Yes, date unknown)