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":
Mother: Anna Hemmes
(10 Apr 1860 Nieuwe Pekela, Groningen, Nederland - 31 Mar 1947 Groningen, Groningen, Nederland)
Fokko Hemmes
(09 Sep 1884 Nieuwe Pekela, Groningen, Nederland - 26 Oct 1918 Wildervank, Groningen, Nederland)
Elsina Hensens
(13 Dec 1886 Wildervank, Groningen, Nederland - 01 Jan 1955 Winschoten, Groningen, Nederland)
         ├─ Anna Hemmes
(10 Jan 1907 Wildervank, Groningen, Nederland - Yes, date unknown)
         │ + Hendrik van der Velde
(17 Sep 1904 Kolham, Slochteren, Groningen, Nederland - Yes, date unknown)
         ├─ Derkina Berendina Hemmes
(31 Aug 1908 Wildervank, Groningen, Nederland - 16 Oct 1909 Wildervank, Groningen, Nederland)
         └─ Feddo Berend Hemmes
(28 Jun 1911 Wildervank, Groningen, Nederland - 19 Nov 1918 Wildervank, Groningen, Nederland)