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: Frans Hendriks Lubberman
(31 Mar 1827 Sellingen, Vlagtwedde, Groningen, Nederland - 02 Feb 1911 Oude Pekela, Groningen, Nederland)
Mother: Elina Gezina Drenth
(20 Oct 1831 Oude Pekela, Groningen, Nederland - 13 May 1904 Oude Pekela, Groningen, Nederland)
Anna Wilmina Bos
(29 Jan 1880 Noordwolde, Bedum, Groningen, Nederland - Yes, date unknown)
         ├─ Helena Catharina Thecla Lubberman
(07 Jul 1904 Oude Pekela, Groningen, Nederland - Yes, date unknown)
         │ + Franciscus Antonius Jozeph Bieckmann
(Cal 1894 Deventer, Overijssel, Nederland - Yes, date unknown)
         ├─ Wilhelmus Johannes Henderikus Lubberman
(28 May 1906 Oude Pekela, Groningen, Nederland - 22 Aug 1907 Oude Pekela, Groningen, Nederland)
         ├─ Wilhelmus Henderikus Regnerus Lubberman
(Cal Jul 1913 Oude Pekela, Groningen, Nederland - 18 Nov 1913 Oude Pekela, Groningen, Nederland)
         └─ Wilhelmus Johannes Regnerus Lubberman
(Cal Apr 1918 Oude Pekela, Groningen, Nederland - 19 Feb 1919 Oude Pekela, Groningen, Nederland)