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 Albert KELLY
(Sep 1860 Bedford, Virginia, USA - 20 Aug 1930 Kanawha City, Kanawha, West Virginia, USA)
Mother: Rachel Alice DENT
(4 Oct 1864 Raleigh, Raleigh, West Virginia, USA - 17 Oct 1930 Malden, Kanawha, West Virginia, USA)
Anise Anna KELLY
(Malden, Kanawha, West Virginia, USA;10 Nov 1899 - 20 Dec 1968)
Charles MILLER
(22 Jun 1896 Coal Fork, Kanawha, West Virginia, USA - 24 Apr 1951 Charleston, Kanawha, West Virginia, USA)
         └─Mabel June MILLER
(11 Feb 1924 Malden, Kanawha, West Virginia, USA - 8 Sep 1996 Elkhart, Elkhart, Indiana, USA)
          Ivan Arlos LANHAM
(14 Dec 1923 Cabin Creek, Kanawha, West Virginia, USA - 4 Dec 1986 Elkhart, Elkhart, Indiana, USA)