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: Jan Hindriks Puister
(28 Nov 1774 Veendam, Groningen, Nederland - Yes, date unknown)
Mother: Riena Roelfs Prins
(1777 Veendam, Groningen, Nederland - Yes, date unknown)
Hindrik Jans Puister
(02 Jan 1799 Veendam, Groningen, Nederland - 06 Feb 1850 Hasselo, Weerselo, Overijssel, Nederland)
         ├─ Afien Hindriks Puister
(20 Sep 1822 Veendam, Groningen, Nederland - Yes, date unknown)
         │ Jan Jans Soenveld
(11 Aug 1820 Veendam, Groningen, Nederland - Yes, date unknown)
         │          └─ Gerdina Engelina Soenveld
(17 Nov 1861 Veendam, Groningen, Nederland - Yes, date unknown)
         │           Eltje Atzema
(16 Jan 1860 Veendam, Groningen, Nederland - 29 Jun 1941 Appingedam, Groningen, Nederland)