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: Stephen John SHOESMITH
(1872 Manning River, New South Wales, Australia - 1954 Taree, New South Wales, Australia)
Mother: Ada Fanny HARRIS
(Sep 1875 Tetbury, Gloucestershire, England - 26 May 1901 Taree, New South Wales, Australia)
Gladys Adella SHOESMITH
(1896 Taree, New South Wales, Australia - 1968 Burwood, New South Wales, Australia)
Alfred George CURTIS
(22 Oct 1887 Petersham, New South Wales, Australia - 1974 Sydney, New South Wales, Australia)
         └─Robert Noel CURTIS
(15 Dec 1913 Coopernook, New South Wales, Australia - 29 Mar 1985 Sydney, New South Wales, Australia)
          + Eva Alexandria HALLORAN
(1919 - 24 Jul 2000 Sydney, New South Wales, Australia)