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":
Legend:
Walter John Reed
(19 Dec 1901 - 4 Nov 1982 University of Iowa Hospital, Iowa City, Johnson County, Iowa)
Margaret Mary Hammes (15 Sep 1902 At Home on Farm, Clear Creek Township, Keokuk County, Iowa - 5 Jan 1999 Washington County Hospital, Washington, Washington County, Iowa)(m. 29 Nov 1923 Ss. Peter & Paul Catholic Church, Clear Creek Township, Keokuk, County, Iowa)
   ├─Eugene Peter Reed (6 Jul 1926 At Home on Farm, Richland Township, Keokuk County, Iowa -    │ 11 Jun 2008 Halcyon House, Washington, Washington County, Iowa)
   │    ├─Nicholas Leo Reed (11 Apr 1958 Washington, Washington County, Iowa -    │    │ 3 Mar 2008 At Home, Washington, Washington County, Iowa)
   ├─Hubert Joseph Reed (21 Jan 1930 Keota, Keokuk County, Iowa -    │ 28 Jul 2009 Clarissa C. Cook Hospice House, Bettendorf, Scott County, Iowa)
   │ Shirley Ann Kral (4 Apr 1936 - 12 Jan 2012)
   │ : (m. 26 Nov 1955 Catholic Church, Moline, Rock Island County, Illinois)
   │ :   ├─Jerome Thomas Reed (1 Mar 1958 Cedar Rapids, Linn County, Iowa -    │ :   │ 11 Sep 2010 At Home of His Brother, Ron, Davenport, Scott County, Iowa)
   ├─Joanne Marie Reed (27 Nov 1931 Washington County, Iowa -    │ 18 Apr 1994 Walter Boswell Hospital, Glendale, Maricopa County, Arizona)
   │ Harold Anthony Luttenegger (5 Jan 1925 - 10 Jan 2003 Bryan Center Hospice, Phoenix, Maricopa County, Arizona)
   │    │ Clifford Alonzi (23 Jan 1956 Lakewood, Jefferson County, Colorado -    │    │ 15 Jun 2008 Queen Creek, Maricopa County, Arizona)
   │ + Howard Russell Stelton (5 Apr 1929 At Home, Watkins, Meeker County, Minnesota -    │ 14 Feb 2006 University of Iowa Hospital, Iowa City, Johnson County, Iowa)