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 William WARD
(1818 Stroud, Gloucestershire, England - 10 Oct 1896 Ulverstone, Tasmania, Australia)
Mother: Mary BURNS
(1831 Limerick, Ireland - DECEASED Tasmania, Australia)
James WARD
(1857 Westbury, Tasmania, Australia - 20 Nov 1934 Zeehan, Tasmania, Australia)
Diana Mary SPELMAN
(15 Oct 1866 New Norfolk, Tasmania, Australia - 30 Aug 1940 Zeehan, Tasmania, Australia)
         └─Amy May WARD
(20 Mar 1898 Tasmania, Australia - 17 Dec 1968 Launceston, Tasmania, Australia)
          Arthur Edmund Byng FORREST
(16 Oct 1891 Glenorchy, Tasmania, Australia - 16 May 1968 Burnie, Tasmania, Australia)