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 Alvering
(17 Jan 1860 Nieuwe Pekela, Groningen, Nederland - 25 Nov 1937 Tange, Onstwedde, Groningen, Nederland)
Mother: Catharina Meijer
(22 Mar 1867 Nieuwe Pekela, Groningen, Nederland - 20 Oct 1951 Alteveer, Onstwedde, Groningen, Nederland)
Rissina Alvering
(24 Aug 1894 Nieuwe Pekela, Groningen, Nederland - 16 Dec 1975 Musselkanaal, Onstwedde, Groningen, Nederland)
Menno Meems
(18 Apr 1892 Zuidwending, Veendam, Groningen, Nederland - 27 Oct 1971 Winschoten, Groningen, Nederland)
         ├─ Heika Meems
(Yes, date unknown - Yes, date unknown)
         │ + Berend Elzen
(Yes, date unknown - Yes, date unknown)
         ├─ NN Meems
(13 Aug 1927 Veendam, Groningen, Nederland - 13 Aug 1927 Veendam, Groningen, Nederland)
         ├─ Berend Meems
(11 Feb 1929 Veendam, Groningen, Nederland - 26 Jan 1990 Stadskanaal, Groningen, Nederland)
         │ Living
         │          └─ Living
         │           Living
         │                    ├─ Living
         │                    ├─ Living
         │                    └─ Living
         ├─ Living
         │ Gerrit Heidekamp
(24 Oct 1918 Onstwedde, Groningen, Nederland - Yes, date unknown)
         │          ├─ Living
         │          │ + Living
         │          ├─ Living