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: Thomas George HOPKINS
(1826 Boldre, Hampshire, England - 9 Jun 1899 Fremantle, Western Australia, Australia)
Mother: Sarah ADAMS
(Fremantle, Western Australia, Australia;23 Sep 1835 - 18 Apr 1901)
George Gabriel HOPKINS
(3 Feb 1873 Fremantle, Western Australia, Australia - 24 Feb 1936 East Fremantle, Western Australia, Australia)
Lavinia Maud BRUMBY
(10 Mar 1876 Mintaro, South Australia, Australia - 6 Jun 1951 Fremantle, Western Australia, Australia)
         └─Keith Stanley Ralph HOPKINS
(9 Jul 1913 Perth, Western Australia, Australia - 23 Dec 1982 Nedlands, Western Australia, Australia)
          Mayvis Jean WENDT
(17 Jul 1916 Wellington, Western Australia, Australia - 8 May 1994 Manning, Western Australia, Australia)