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":
         └─Nowak Józefa
(09 mar. 1882 Żukowo, obornicki, wielkopolskie, Polska - data nieznana)
          Paplaczyk Wojciech
(21 sty. 1878 Sławienko, obornicki, wielkopolskie, Polska - data nieznana)
                   ├─Paplaczyk Władysław
(1905 Chrustowo, obornicki, wielkopolskie, Polska - data nieznana)
                   ├─Paplaczyk Władysława
(15 czer. 1906 Chrustowo, obornicki, wielkopolskie, Polska - data nieznana)
                   ├─Paplaczyk Zofia
(1908 Chrustowo, obornicki, wielkopolskie, Polska - data nieznana)
                   └─Paplaczyk Stanisława
(1911 Chrustowo, obornicki, wielkopolskie, Polska - data nieznana)