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: James Alonzo (Lon) Travis (13 Mar 1875 Chimsville, Logan County, Arkansas, USA - 17 Dec 1953 Reno, Washoe County, Nevada, USA)
Mother: Mary Jane (Molly) Richmond (28 Jul 1877 Borden Springs, Cleburne County, Alabama, USA - 26 Jun 1948 Fallon, Churchill County, Nevada, USA)
Uel Jackson Travis
(2 Aug 1900 Bates, Scott County, Arkansas, USA - 12 Mar 1989 Susanville, Lassen County, California, USA)
Bessie Adonis (Betty) Dixon
(6 Dec 1904 Standish, Lassen County, California, USA - 1 May 1986 Susanville, Lassen County, California, USA)
         ├─Naomi Fay Travis
(26 Apr 1925 Susanville, Lassen County, California, USA - ??)
         │ Lewis Gerald Robinson
(28 Sep 1922 Belle Fourche, Butte County, South Dakota, USA - 8 Jul 2006 Veradale, Spokane County, Washington, USA)
         │          ├─Paul Gerald Robinson
(13 Feb 1958 Clarkston, Asotin County, Washington, USA - 4 Jun 1958 Seattle, King County, Washington, USA)
         │          └─Patricia Louise (Trish) Robinson
(15 Dec 1964 Walla Walla, Walla Walla County, Washington, USA - 27 Oct 2002)
         │           Living
         ├─Laura Mae Travis
(30 Jan 1927 Johnstonville, Lassen County, California, USA - 19 Aug 2009 Sherman Oaks, Los Angeles County, California, USA)
         │ Joseph Frederick Frakes
(9 Dec 1921 New Albany, Floyd County, Indiana, USA - 3 Apr 2000 Van Nuys, Los Angeles County, California, USA)
         │ + Living
         └─Betty Jean Travis
(7 Aug 1932 Johnstonville, Lassen County, California, USA - 14 Mar 2009 Lompoc, Santa Barbara County, California, USA)
          Joseph Gamaliel Herron
(30 Apr 1921 New York, New York County, New York, USA - 8 Nov 1989 Lompoc, Santa Barbara County, California, USA)