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: Aaltje Pieters
(1766 Ommelanderwijk, Veendam, Groningen, Nederland - 14 Nov 1823 Ommelanderwijk, Veendam, Groningen, Nederland)
Aaltje Everts Mulder
(1788 Veendam, Groningen, Nederland - 22 Dec 1855 Wildervank, Groningen, Nederland)
Klaas Geerts Prummel
(1793 Wildervank, Groningen, Nederland - 13 Feb 1879 Wildervank, Groningen, Nederland)
         ├─ Geert Klasens Prummel
(22 Sep 1821 Wildervank, Groningen, Nederland - 06 Dec 1909 Wildervank, Groningen, Nederland)
         │ Bernardina Geerts Roelfzema
(1824 Veendam, Groningen, Nederland - 22 Mar 1898 Wildervank, Groningen, Nederland)
         │          └─ Klaas Prummel
(14 May 1850 Wildervank, Groningen, Nederland - Yes, date unknown)
         │           Sieberdina Schuitema
(15 May 1852 Leeuwarden, Friesland, Nederland - 04 Aug 1908 Groningen, Groningen, Nederland)
         ├─ Evert Prummel
(09 Apr 1826 Wildervank, Groningen, Nederland - 28 Feb 1844 Wildervank, Groningen, Nederland)
         └─ Jakob Prummel
(28 Oct 1831 Wildervank, Groningen, Nederland - 13 May 1927 Wildervank, Groningen, Nederland)
          + Jantje Pronk
(03 Apr 1838 Wildervank, Groningen, Nederland - 08 Jun 1896 Wildervank, Groningen, Nederland)