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: Benjamin Franklin Bacon (3 Aug 1834 Washington County, Tennessee, USA - 8 Mar 1915 Galena, Stone County, Missouri, USA)
Mother: Mary Ann Trewhitt (2 Apr 1836 Bradley County, Tennessee, USA - 3 Feb 1886 Cleveland, Bradley County, Tennessee, USA)
Joseph Albert Bacon
(28 Sep 1866 Cleveland, Bradley County, Tennessee, USA - 20 Aug 1948 Henry County, Indiana, USA)
Nancy Ellen (Nannie) Thompson
(1 Nov 1874 Bradley County, Tennessee, USA - 27 Nov 1945 New Castle, Henry County, Indiana, USA)
         ├─Inez Bacon
(8 Aug 1893 Cleveland, Bradley County, Tennessee, USA - 11 Jan 1985 New Castle, Henry County, Indiana, USA)
         │ Clyde Otis Hackett
(9 Jun 1896 Anderson, Madison County, Indiana, USA - 26 Apr 1968 Indianapolis, Marion County, Indiana, USA)
         │          └─Samuel Joseph Hackett
(21 Dec 1924 New Castle, Henry County, Indiana, USA - 11 Oct 2013 Ventura, Ventura County, California, USA)
         │           Doris Laverne Burkhart
(22 Jun 1926 Newcastle, Henry County, Indiana, USA - 1 Dec 2005 Ventura, Ventura County, California, USA)
         ├─John Wilson Bacon
(6 May 1908 Mississippi, USA - May 1960)
         │ Berniece L Wantz
(2 Aug 1911 Dudley, Henry County, Indiana, USA - 25 Apr 1989 Bokeelia, Lee County, Florida, USA)
         ├─Newell Irmal Bacon
(2 May 1898 Indiana, USA - 7 Oct 1979 New Castle, Henry County, Indiana, USA)
         └─Day Henry Bacon
(31 Jul 1895 Cleveland, Bradley County, Tennessee, USA - May 1976 Crossville, Cumberland County, Tennessee, USA)
          Wilhelmina Helen Baker
(25 Jun 1900 Fayette County, Indiana, USA - Mar 1962 Harwich, Barnstable County, Massachusetts, USA)
                   ├─Janet Bacon
(19 May 1927 Connersville, Fayette County, Indiana, USA - 2 Feb 1968 Burlington, Chittenden County, Vermont, USA)