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: Henry TICHBON
(27 Nov 1826 Cranbrook, Kent, England - 7 Oct 1921 Perth, Western Australia, Australia)
Mother: Sarah Ann CRANE
(1828 - 11 Feb 1903 bur.East Perth, Western Australia, Australia)
George Frederick TICHBON
(9 Dec 1866 Perth, Western Australia, Australia - 1 Sep 1934 Katanning, Western Australia, Australia)
Mary Anne CURRIE
(1869 - 5 Apr 1942 East Perth, Western Australia, Australia)
└─Ethel Sarah TICHBON
(30 Apr 1889 - 11 Jan 1961 Perth, Western Australia, Australia)
Edwin Frederick CORY
(29 Jun 1888 Bowral, New South Wales, Australia - 1 Nov 1963 Perth, Western Australia, Australia)
└─Marjorie Ethel CORY
(7 Mar 1912 Perth, Western Australia, Australia - 14 Apr 1993 Busselton, Western Australia, Australia)
+ Robert Henry HARDINGHAM
(14 May 1916 York, Western Australia, Australia - 15 Jul 2002 Perth, Western Australia, Australia)