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":
         │          │          └─Sobociński Michał
         │          └─Sobociński Antoni
(2 czer. 1927 Strzałkowo, słupecki, wielkopolskie, Polska - data nieznana)
         │           + Meler Maria Teresa
         ├─Tomaszewska Leokadia Waleria
(9 sier. 1896 Sławno, gnieźnieński, wielkopolskie, Polska - data nieznana)
         ├─Tomaszewski Kazimierz
(Łopienno, gnieźnieński, wielkopolskie, Polska;4 sty. 1901 - 23 mar. 1901)
         ├─Tomaszewska Aniela
(27 wrz. 1902 Łopienno, gnieźnieński, wielkopolskie, Polska - data nieznana)
         ├─Tomaszewska Pelagia
(22 gru. 1904 Łopienno, gnieźnieński, wielkopolskie, Polska - data nieznana)
         └─Tomaszewski Leon
(18 maj 1907 Łopienno, gnieźnieński, wielkopolskie, Polska - data nieznana)