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 Starke
(23 Aug 1836 Nieuwe Pekela, Groningen, Nederland - 30 Jun 1909 Oude Pekela, Groningen, Nederland)
Mother: Tjerkina de Groot
(25 Jun 1837 Oude Pekela, Groningen, Nederland - 13 Jan 1916 Oude Pekela, Groningen, Nederland)
Egberdina Starke
(13 Mar 1862 Oude Pekela, Groningen, Nederland - 20 Jul 1925 Oude Pekela, Groningen, Nederland)
Roelf Pot
(28 May 1861 Oude Pekela, Groningen, Nederland - 18 Apr 1936 Oude Pekela, Groningen, Nederland)
         ├─ Hillechien Pot
(14 Feb 1889 Oude Pekela, Groningen, Nederland - 12 Dec 1954 Sellingen, Vlagtwedde, Groningen, Nederland)
         │ Jan Hulzebos
(01 Mar 1888 Wedde, Groningen, Nederland - 28 Aug 1972 Sellingen, Vlagtwedde, Groningen, Nederland)
         │          ├─ Egberdina Hulzebos
(28 Jan 1918 Veelerveen, Vlagtwedde, Groningen, Nederland -          │          │ 17 May 2008 Ter Apel, Vlagtwedde, Groningen, Nederland)
         │          │ Boelem Alting
(25 Apr 1919 Ellersinghuizen, Vlagtwedde, Groningen, Nederland - Yes, date unknown)
         │          │          ├─ Roelf Alting
(08 Feb 1947 Vlagtwedde, Groningen, Nederland - 26 May 1997)
         │          │          │ + Living
         │          │          ├─ Living
         │          │          │ + Fennie Slagter
(Yes, date unknown - Yes, date unknown)
         │          │          └─ Living
         │          │           + Living
         │          └─ Jan Hulzebos
(Cal 24 Feb 1927 Veelerveen, Vlagtwedde, Groningen, Nederland -          │           09 Mar 1927 Veelerveen, Vlagtwedde, Groningen, Nederland)
         └─ Roelf Pot
(20 Feb 1903 Oude Pekela, Groningen, Nederland - Bef 1938 Amsterdam, Noord-Holland, Nederland)
          + Ettje Kok
(17 Jun 1903 Winschoten, Groningen, Nederland - Yes, date unknown)