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":
         ├─ Anna Elisabeth Emans
(28 Apr 1807 Kessel, Limburg, Nederland - 01 Apr 1891 Kessel, Limburg, Nederland)
         │ Pieter Beulen
(12 Oct 1807 Sint Odilienberg, Limburg, Nederland - 29 Mar 1856 Kessel, Limburg, Nederland)
         │ :         ├─ Joanna Beulen
(21 Jun 1843 Kessel, Limburg, Nederland - 21 Jun 1843 Kessel, Limburg, Nederland)
         │ :         ├─ Antonius Hubertus Beulen
(20 Dec 1844 Kessel, Limburg, Nederland - 27 Dec 1844 Kessel, Limburg, Nederland)
         │ :         └─ Godefridus Beulen
(12 Jan 1847 Kessel, Limburg, Nederland - 08 Dec 1923 Kessel, Limburg, Nederland)
         │ :          + Louisa Peeters
(02 Jan 1853 Kessel, Limburg, Nederland - Yes, date unknown)
         │ + Ludovicus Sillen
(10 Jul 1802 Swalmen, Limburg, Nederland - 18 May 1874 Kessel, Limburg, Nederland)
         ├─ Joanna Emans
(29 Aug 1811 Kessel, Limburg, Nederland - Yes, date unknown)
         ├─ Lambertus Emans
(24 Dec 1813 Kessel, Limburg, Nederland - 25 Feb 1841 Kessel, Limburg, Nederland)
         ├─ Leonardus Emans
(12 Dec 1816 Kessel, Limburg, Nederland - 14 Jul 1888 Weert, Limburg, Nederland)
         ├─ Beatrix Emans
(09 Jun 1819 Kessel, Limburg, Nederland - 23 Apr 1820 Kessel, Limburg, Nederland)
         └─ Beatrix Emans
(06 Oct 1821 Kessel, Limburg, Nederland - Yes, date unknown)