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: Berend Weits
(25 Oct 1838 Kropswolde, Hoogezand, Groningen, Nederland - 22 Apr 1903 Westerdiep, Veendam, Groningen, Nederland)
Mother: Alberdina Wolthuis
(20 Mar 1840 Nieuwe Compagnie, Hoogezand, Groningen, Nederland - 17 May 1912 Musselkanaal, Onstwedde, Groningen, Nederland)
Abraham Weits
(03 Jun 1866 Ommelanderwijk, Veendam, Groningen, Nederland - 12 Nov 1915 Stadskanaal, Groningen, Nederland)
Abeltje Moedt
(08 Oct 1858 Siddeburen, Slochteren, Groningen, Nederland - 31 Dec 1892 Zuidbroek, Groningen, Nederland)
:         └─ Berend Weits
(09 Mar 1890 Zuidbroek, Groningen, Nederland - 03 Oct 1947 Wildervank, Groningen, Nederland)
Willemtje Ensing
(01 Aug 1864 Kropswolde, Hoogezand, Groningen, Nederland - 06 Feb 1945 Groningen, Groningen, Nederland)
         ├─ NN Weits
(29 May 1894 Nieuwe Compagnie, Hoogezand, Groningen, Nederland - 29 May 1894 Nieuwe Compagnie, Hoogezand, Groningen, Nederland)
         ├─ Alberdina Lammechina Weits
(18 Jun 1895 Nieuwe Compagnie, Hoogezand, Groningen, Nederland - Yes, date unknown)
         └─ Jan Weits
(29 Oct 1899 Musselkanaal, Onstwedde, Groningen, Nederland - Yes, date unknown)