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: Walter Bruce MOORE (17 Jan 1876 Brunswick Junction, Western Australia, Australia - 9 Jan 1923 Collie, Western Australia, Australia)
Mother: Gertrude Ellen MOORE (12 Mar 1877 Upper Capel, Western Australia, Australia - 3 Jan 1956 Subiaco, Western Australia, Australia)
Muriel Ellen MOORE
(23 Oct 1908 Balingup, Western Australia, Australia - 22 Aug 1985 Perth, Western Australia, Australia)
Frank KITNEY (20 Jul 1906 Southfleet, Kent, England - 6 Mar 1994 Fremantle, Western Australia, Australia)
(m. 15 Jul 1931 Donnybrook, Western Australia, Australia)
   ├─Gloria Clarice KITNEY (8 Oct 1932 Wellington, Western Australia, Australia -    │ 1993 Balga, Western Australia, Australia)