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: Engel Mulder
(11 Sep 1835 Lutjeloo, Wedde, Groningen, Nederland - 10 Nov 1923 Blijham, Wedde, Groningen, Nederland)
Mother: Eefke Visker
(06 Apr 1841 Blijham, Wedde, Groningen, Nederland - 13 Nov 1919 Blijham, Wedde, Groningen, Nederland)
Klaassien Mulder
(18 Feb 1865 Wedde, Groningen, Nederland - 18 Apr 1936 Wedde, Groningen, Nederland)
Harm Christiaan Kok
(17 Dec 1856 Bellingwolde, Groningen, Nederland - 04 Sep 1901 Blijham, Wedde, Groningen, Nederland)
         ├─ Jan Kok
(23 Dec 1887 Blijham, Wedde, Groningen, Nederland - Yes, date unknown)
         ├─ Jan Kok
(12 Nov 1889 Blijham, Wedde, Groningen, Nederland - Yes, date unknown)
         ├─ Hendrik Kok
(08 Dec 1893 Blijham, Wedde, Groningen, Nederland - 07 Mar 1895 Blijham, Wedde, Groningen, Nederland)
         └─ Eefke Kok
(04 Oct 1897 Blijham, Wedde, Groningen, Nederland - Yes, date unknown)
          + Jan Sterrenberg
(30 Aug 1891 Hoorn, Wedde, Groningen, Nederland - Yes, date unknown)