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 John BAMKIN
(Abt 1869 - 23 Sep 1915 Fremantle, Western Australia, Australia)
Mother: Florence Meylar PELLATT
(Abt 1871 - 3 Jan 1925 Beaconsfield, Western Australia, Australia)
Frederick John BAMKIN
(11 Jan 1905 Fremantle, Western Australia, Australia - 3 Aug 1968 Maylands, Western Australia, Australia)
Susan Woodend DOUGHERTY
(30 Nov 1900 Garvagh, Coleraine, Ireland - 8 Nov 1986 Fremantle, Western Australia, Australia)
         └─Phyllis Myler BAMKIN
(21 Sep 1924 North Fremantle, Western Australia, Australia - 9 May 2000 Geraldton, Western Australia, Australia)
          George BROWN
(20 Sep 1920 Cue, Western Australia, Australia - 16 Jun 1962 North Perth, Western Australia, Australia)