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 WYCOTT
(10 May 1858 Reigate, Surrey, England - 10 Apr 1934 San Bernardino, California, USA)
Mother: Aminta Winter LANE
(1 Mar 1868 Millville, Madison, Mississippi, USA - 20 Dec 1940 San Bernardino, California, USA)
Eugene Field WYCOTT
(16 Oct 1895 San Bernardino, San Bernardino, California, USA - 1 Dec 1980 San Luis Obispo, California, USA)
Mary Elsie COLHOP
(7 Jan 1897 Beaver, Pennsylvania, USA - 13 Dec 1971 San Bernardino, San Bernardino, California, USA)
         └─Robert Eugene WYCOTT
(7 Sep 1916 Mentone, San Bernardino, California, USA - 4 Aug 2013 Arroyo Grande, San Luis Obispo, California, USA)
          Mildred Inez LOCKHART
(21 Apr 1919 Hope, Eddy, New Mexico, USA - 14 Feb 2007 Lewiston, Nez Perce, Idaho, USA)