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: Helmer Gerhardus Molema
(1753 Midwolda, Groningen, Nederland - 05 Aug 1826 Hoogezand, Groningen, Nederland)
Mother: Geesien Jans Barkhuis
(1762 Sappemeer, Groningen, Nederland - 28 Jun 1826 Hoogezand, Groningen, Nederland)
         └─ Hilligien Hinderks Visser
(1813 Scharmer, Slochteren, Groningen, Nederland - 15 Oct 1847 Harkstede, Slochteren, Groningen, Nederland)
          Jan Jerrits Veenhoven
(1805 Harkstede, Slochteren, Groningen, Nederland - 30 Jan 1853 Harkstede, Slochteren, Groningen, Nederland)
                   ├─ Jantje Veenhoven
(11 Jan 1838 Garmerwolde, Ten Boer, Groningen, Nederland - 31 Mar 1937 Groningen, Groningen, Nederland)
                   │ Klaas Wassing
(04 Nov 1831 Eenum, 't Zandt, Groningen, Nederland - 26 Apr 1897 Groningen, Groningen, Nederland)
                   │ :         ├─ Jannes Wassing
(10 Aug 1867 Groningen, Groningen, Nederland - 05 Oct 1898 Groningen, Groningen, Nederland)
                   │ :         ├─ Catharina Wassing
(01 Apr 1873 Groningen, Groningen, Nederland - 26 Nov 1945 Groningen, Groningen, Nederland) =>
                   │ :         │ + Gerrit Herman Borghardt
(Yes, date unknown - Yes, date unknown)
                   │ :         └─ Antje Wassing
(06 Jun 1881 Groningen, Groningen, Nederland - Yes, date unknown)
                   │ + Jakob Braam Ruben
(08 Sep 1837 Slochteren, Groningen, Nederland -                    │ 22 May 1922 Foxham, Hoogezand, Groningen, Nederland)
                   ├─ Hendrik Veenhoven
(28 Feb 1841 Garmerwolde, Ten Boer, Groningen, Nederland -                    │ 15 Feb 1927 Kolham, Slochteren, Groningen, Nederland)
                   │ + Trientje Venema
(07 Feb 1851 Kolham, Slochteren, Groningen, Nederland - 10 Sep 1912 Kolham, Slochteren, Groningen, Nederland)
                   └─ Aaltje Veenhoven
(16 Sep 1842 Harkstede, Slochteren, Groningen, Nederland - 16 Jan 1894 Groningen, Groningen, Nederland)
                    + Gerrit Heeres
(23 Aug 1841 Groningen, Groningen, Nederland - 22 May 1873 Groningen, Groningen, Nederland)