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: Frederick William ANDERSON (1861 Toodyay, Western Australia, Australia - 23 Feb 1925 Guildford, Western Australia, Australia)
Mother: Harriet BRANSON (23 Jul 1863 New Norcia, Western Australia, Australia - 29 Sep 1938 West Perth, Western Australia, Australia)
May Margaret ANDERSON
(30 May 1901 Glentromie, Western Australia, Australia - 17 Aug 1983 Geraldton, Western Australia, Australia)
Thomas Edward GAUTIER (3 Aug 1891 Alderney, Dorset, England - 24 Jan 1976 Geraldton, Western Australia, Australia)