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":
Andrew MURRAY
(1822 Scotland - 15 Aug 1876 Champion Bay, Western Australia, Australia)
Mary Ann UNKNOWN (Abt 1831 - 8 Apr 1891 Narra Tarra, Western Australia, Australia)
└─Mary Ann MURRAY (Abt 1857 Scotland - 7 May 1942 Geraldton, Western Australia, Australia)
John Clabourne PENN (28 Jun 1850 - 10 Jul 1895 Geraldton, Western Australia, Australia)
└─Frederick PENN (8 Aug 1890 Narra Tarra, Western Australia, Australia - 1 Jul 1971 Campbelltown, New South Wales, Australia)
+ Annie LIDDELL (4 Feb 1893 Charters Towers, Queensland, Australia - 23 Dec 1949 Kearsley, New South Wales, Australia)(m. 1913 Helensburgh, New South Wales, Australia)
1822 - 1876 (54 years)
(8 Aug 1890 Narra Tarra, Western Australia, Australia -