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: Robert HINSLEY (Mar 1853 Thompson, Norfolk, England - Between Jan and Mar 1909 Hunslet, Yorkshire, England)
Mother: Mary Ann HOUSEMAN (2 Jul 1854 Leeds, Yorkshire, England - Between 1 Sep 1907 and 27 Mar 1921 Hunslet, Yorkshire, England)
George HINSLEY
(14 Oct 1885 Leeds, Yorkshire, England - 31 Aug 1951 Tammin, Western Australia, Australia)
Emma Alice VERITY (1887 - 28 May 1977 Tammin, Western Australia, Australia)
   └─Hilda HINSLEY (4 Sep 1908 Leeds, Yorkshire, England - 25 Mar 1995 Tammin, Western Australia, Australia)