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 de Roos
(24 Mar 1845 Onstwedde, Groningen, Nederland - Yes, date unknown)
Mother: Wiltien Ottes
(Cal 1847 Onstwedde, Groningen, Nederland - Yes, date unknown)
Berend de Roos
(09 Jul 1884 Onstwedde, Groningen, Nederland - 03 May 1961 Onstwedde, Groningen, Nederland)
Grietje Noordhuis
(09 Aug 1889 Stadskanaal, Groningen, Nederland - Yes, date unknown)
:         └─ Maria de Roos
(04 Sep 1911 Musselkanaal, Onstwedde, Groningen, Nederland - 02 Nov 1943 Musselkanaal, Onstwedde, Groningen, Nederland)
:          + Hendrik Moorlag
(16 Jul 1906 Mussel, Onstwedde, Groningen, Nederland - 04 May 1950 Assen, Drenthe, Nederland)
+ Hebeltien Bouland
(14 Mar 1894 Tange, Onstwedde, Groningen, Nederland - Yes, date unknown)