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: Frederick CAPORN
(1826 Oxfordshire, England - 9 Feb 1915 Claremont, Western Australia, Australia)
Mother: Mary Ann FREIND
(1828 Speldhurst, Kent, England - 9 Aug 1889 Perth, Western Australia, Australia)
Daniel Plant CAPORN
(8 May 1865 Perth, Western Australia, Australia - 28 Apr 1934 Queens Park, Western Australia, Australia)
Mary Ann COOPER
(15 Jun 1856 Pinjarra, Western Australia, Australia - 30 Jun 1950 Queens Park, Western Australia, Australia)
         └─Iris CAPORN
(Perth, Western Australia, Australia;22 Oct 1906 - 1972)
          + Robert Arthur LOCK
(16 Apr 1893 Kingston, Surrey, England - 1974 Perth, Western Australia, Australia)