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: Geeske Jans
(Yes, date unknown - Yes, date unknown)
Jan Wessels Woortmann
(1794 Bellingwolde, Groningen, Nederland - Yes, date unknown bur.Völlen, Ostfriesland, Niedersachsen, Deutschland)
Antje Wilken Appeldorn
(1800 Völlenerfehn, Ostfriesland, Niedersachsen, Deutschland - Yes, date unknown bur.Völlen, Ostfriesland, Niedersachsen, Deutschland)
         ├─ Wilke Janssen Woortmann
(10 Jul 1828 Völlenerfehn, Ostfriesland, Niedersachsen, Deutschland - Yes, date unknown)
         ├─ Claas Janssen Woortmann
(01 Jan 1830 Völlenerfehn, Ostfriesland, Niedersachsen, Deutschland - Yes, date unknown)
         ├─ Geeske Janssen Woortmann
(10 Apr 1831 Völlenerfehn, Ostfriesland, Niedersachsen, Deutschland - Yes, date unknown)
         ├─ Trientje Janssen Woortmann
(30 Oct 1832 Völlenerfehn, Ostfriesland, Niedersachsen, Deutschland - Yes, date unknown)
         ├─ Anna Maria Woortmann
(13 Feb 1835 Völlenerfehn, Ostfriesland, Niedersachsen, Deutschland - Yes, date unknown)
         │ + Wolter Janssen
(24 Jan 1835 Nortmoor, Niedersachsen, Deutschland - Yes, date unknown)
         ├─ Heike Janssen Woortmann
(24 Mar 1837 Völlenerfehn, Ostfriesland, Niedersachsen, Deutschland - Yes, date unknown)
         ├─ Harm Janssen Woortmann
(20 Dec 1838 Völlenerfehn, Ostfriesland, Niedersachsen, Deutschland -          │ 19 Dec 1840 Völlenerfehn, Ostfriesland, Niedersachsen, Deutschland)
         ├─ NN Woortmann
(31 Jan 1840 Völlenerfehn, Ostfriesland, Niedersachsen, Deutschland -          │ 31 Jan 1840 Völlenerfehn, Ostfriesland, Niedersachsen, Deutschland)
         ├─ Harm Janssen Woortmann
(31 Aug 1842 Völlenerfehn, Ostfriesland, Niedersachsen, Deutschland - Yes, date unknown)
         └─ Swaantje Janssen Woortmann
(09 Jul 1844 Völlenerfehn, Ostfriesland, Niedersachsen, Deutschland - Yes, date unknown)