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: Reuben BURGESS
(1 Oct 1881 Congewai, New South Wales, Australia - 11 Mar 1946 Cessnock, New South Wales, Australia)
Mother: Mabel Grace HARRISON
(1 Jun 1884 Allandale, New South Wales, Australia - 28 Jul 1969 Cessnock, New South Wales, Australia)
Mona Grace BURGESS
(Cessnock, New South Wales, Australia;21 Sep 1912 - 7 Sep 1988)
Alexander Henry CAMERON
(7 May 1906 Congewai, New South Wales, Australia - 17 Jun 1956 Ellalong, New South Wales, Australia)
         └─Muriel Noelene CAMERON
(Cessnock, New South Wales, Australia;18 Dec 1932 - 18 Oct 2010)
          Noel Thomas PRINGLE
(Cessnock, New South Wales, Australia;17 Dec 1932 - 6 Nov 2022)