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:
Father: Frank Benjamin Vogel (12 Jul 1855 Cincinnati, Hamilton County, Ohio - 14 Feb 1932 At Home, Sigourney, Keokuk County, Iowa)
Mother: Catherine Lutz (28 Aug 1860 Peoria, Peoria County, Illinois - 7 May 1947 At Home of Daughter, Mrs. William Allar, Sigourney, Keokuk County, Iowa)
Joseph Albert Vogel
(22 Feb 1896 At Home on Farm, Clear Creek Township, Keokuk County, Iowa - 23 Mar 1984 Keokuk County Hospital, Sigourney, Keokuk County, Iowa)
Maud Mary Clarahan (14 Mar 1897 Harper, Keokuk County, Iowa - 9 Feb 1981 Manor House Nursing Home, Sigourney, Keokuk County, Iowa)(m. 14 Oct 1919 St. Elizabeth Church, Harper, Keokuk County, Iowa)
   ├─Marie H Vogel (15 Oct 1922 near Harper, Keokuk County, Iowa -    │ 22 Nov 2015 Keokuk County Health Center, SIgourney, Keokuk County, Iowa)
   │ + Don Oliver ( - 1980)(m. 19 Mar 1947 Kirksville, Missouri)