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
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
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
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":
Ojciec: Borkowski Jan
(data nieznana - data nieznana)
Matka: NN Agnieszka
(data nieznana - data nieznana)
Borkowski Józef
(19 mar. 1884 Nieczajna, obornicki, wielkopolskie, Polska - data nieznana)
         ├─Borkowski Jan
(20 list. 1918 Kowalewko, obornicki, wielkopolskie, Polska - data nieznana)
         │ + NN Stefania
(data nieznana - data nieznana)
         ├─Borkowski Józef
(18 luty 1921 Kowalewko, obornicki, wielkopolskie, Polska - 25 paź. 1982 Poznań, poznański, wielkopolskie, Polska)
         │ + Stachowiak Aleksandra
(10 list. 1924 Objezierze, obornicki, wielkopolskie, Polska - 29 list. 2012 Poznań, poznański, wielkopolskie, Polska)
         ├─Borkowski Bolesław
(23 mar. 1924 Kowalewko, obornicki, wielkopolskie, Polska - data nieznana Poznań, poznański, wielkopolskie, Polska)
         │ + Błaszyk Jadwiga
(data nieznana - data nieznana)