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: Edward Edwin James BUFTON
(29 Jun 1872 Perth, Western Australia, Australia - 5 Mar 1951 Victoria Park, Western Australia, Australia)
Mother: Louisa FORWARD
(26 Jul 1877 Booramin, Western Australia, Australia - 3 Jul 1957 Roleystone, Western Australia, Australia)
Vosper Herbert BUFTON
(19 Dec 1909 York, Western Australia, Australia - 9 Jul 2004 Bentley, Western Australia, Australia)
Mary Gertrude HICKEY
(Abt 1919 Boulder, Western Australia, Australia - 2 Aug 1981 Bentley, Western Australia, Australia)
└─Michael John BUFTON
(7 Aug 1949 Subiaco, Western Australia, Australia - 30 Sep 1982 Boulder, Western Australia, Australia)
Patricia Christine O'ROURKE
(1950 Kalgoorlie, Western Australia, Australia - 15 Nov 2019 Perth, Western Australia, Australia)