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: Louis Madison Barger (15 Feb 1848 Jonesborough, Washington County, Tennessee, USA - 17 May 1929 Big Spring, Meigs County, Tennessee, USA)
Mother: Mary Elizabeth Barger (12 Jul 1862 Meigs County, Tennessee, USA - 2 Dec 1932 Big Spring, Meigs County, Tennessee, USA)
William Carson Barger
(14 Feb 1884 Big Spring, Meigs County, Tennessee, USA - 21 Jun 1962 Chattanooga, Hamilton County, Tennessee, USA)
Mary Viola Alford
(22 Aug 1887 Meigs County, Tennessee, USA - 9 Feb 1974 Chattanooga, Hamilton County, Tennessee, USA)
         ├─Hazel A Barger
(13 Nov 1910 Meigs County, Tennessee, USA - 6 Jul 1992 Chattanooga, Hamilton County, Tennessee, USA)
         ├─Billie Ruth Barger
(26 Apr 1913 Meigs County, Tennessee, USA - 26 May 1992 Cleveland, Bradley County, Tennessee, USA)
         ├─Doris Elizabeth (Betty) Barger
(29 Jan 1915 Big Spring, Meigs County, Tennessee, USA - 8 Feb 1998 Georgetown, Meigs County, Tennessee, USA)
         │ + William Herman McKeehan, Jr
(4 Mar 1916 Chattanooga, Hamilton County, Tennessee, USA - 22 Dec 2013 Dearborn, Wayne County, Michigan, USA)
          + Robert E Dixon
(6 Mar 1928 Chattanooga, Hamilton County, Tennessee, USA - 18 May 2018 Dallas, Dallas County, Texas, USA)