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: John Thomas SMITH
(24 Oct 1832 Guildford, Western Australia, Australia - 5 Jan 1875 Northam, Western Australia, Australia)
Mother: Eliza BARNDON
(25 May 1836 Perth, Western Australia, Australia - 28 Dec 1874 Northam, Western Australia, Australia)
Annie SMITH
(27 Sep 1865 - 29 Jan 1923 Northam, Western Australia, Australia)
+ Samuel William WILKERSON
(23 Dec 1851 Wexcombe, Western Australia, Australia - : 3 Oct 1897 Northam, Western Australia, Australia)(m. 22 Apr 1891)
+ George DAVIES
(1854 Northam, Western Australia, Australia - 2 Jul 1903)
(m. 7 Nov 1900)