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: Lubbertus Bolhuis
(07 Mar 1847 Niehove, Oldehove, Groningen, Nederland - 14 Feb 1903 Matsloot, Roden, Drenthe, Nederland)
Mother: Geertje Bos
(Cal 1869 Matsloot, Roden, Drenthe, Nederland - 14 Oct 1945 Haren, Groningen, Nederland)
Riemke Bolhuis
(13 Oct 1889 Roden, Drenthe, Nederland - 03 Mar 1978 Groningen, Groningen, Nederland)
Marten Ritsma
(19 Mar 1886 Hoogkerk, Groningen, Nederland - 18 May 1937 Haren, Groningen, Nederland)
         ├─ Geertje Ritsma
(Yes, date unknown - Yes, date unknown)
         │ + Frans Beekhuis
(Yes, date unknown - Yes, date unknown)
         └─ Geessiena Ritsma
(08 Mar 1916 Hoogkerk, Groningen, Nederland - 07 Oct 1982 Groningen, Groningen, Nederland)
          Arnoldus Onnes
(02 Nov 1910 Haren, Groningen, Nederland - 16 Jul 1962 Hoogkerk, Groningen, Nederland)
                   ├─ Grietje Onnes
(Yes, date unknown - Yes, date unknown)
                   │ Eize Veenstra
(Yes, date unknown - Yes, date unknown)
                   │          └─ Lineke Veenstra
(Yes, date unknown - Yes, date unknown)
                   ├─ Rita Geertruida Onnes
(Yes, date unknown - Yes, date unknown)
                   │ Jaap Ridder
(Yes, date unknown - Yes, date unknown)
                   │          ├─ Gea Ridder
(Yes, date unknown - Yes, date unknown)
                   │          ├─ Rolf Ridder
(Yes, date unknown - Yes, date unknown)
                   │          ├─ Arnold Ridder
(Yes, date unknown - Yes, date unknown)
                   │          └─ Monique Ridder
(Yes, date unknown - Yes, date unknown)
                   ├─ Martha Onnes
(Yes, date unknown - Yes, date unknown)
                   │ Bert Hoekzema
(Yes, date unknown - Yes, date unknown)
                   │          ├─ Edwin Hoekzema
(Yes, date unknown - Yes, date unknown)
                   │          └─ Gineke Hoekzema
(Yes, date unknown - Yes, date unknown)
                   ├─ Onno Onnes
(Yes, date unknown - Yes, date unknown)
                   │ Enge ter Veer
(Yes, date unknown - Yes, date unknown)
                   │          ├─ Arnold Onnes
(Yes, date unknown - Yes, date unknown)
                   │          └─ Anette Onnes
(Yes, date unknown - Yes, date unknown)
                   └─ Arnoldus Onnes
(Yes, date unknown - Yes, date unknown)
                    Antje Boer
(Yes, date unknown - Yes, date unknown)
                             ├─ Bettina Onnes
(Yes, date unknown - Yes, date unknown)
                             └─ Maaike Onnes
(Yes, date unknown - Yes, date unknown)