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: Edward Morrow Blackburn (14 Dec 1879 Limestone County, Alabama, USA - 10 Dec 1966 Athens, Limestone County, Alabama, USA)
Mother: Mare Sullivan Calvin (6 Aug 1882 Alabama, USA - 21 Dec 1975 Athens, Limestone County, Alabama, USA)
Edward Alexander Blackburn
(21 Apr 1920 Athens, Limestone County, Alabama, USA - 22 Oct 2008 Decatur, Morgan County, Alabama, USA)
+ Dorothy Jane Story
(23 Oct 1927 Birmingham, Jefferson County, Alabama, USA - 15 Jul 2006 Decatur, Morgan County, Alabama, USA)