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":
Jack Alexander Ratledge
(Lenoir City, Loudon County, Tennessee, USA;25 Dec 1880 - 10 Nov 1942)
Minnie Richmond
(3 Mar 1884 Bradley County, Tennessee, USA - 2 Oct 1956 Lenoir City, Loudon County, Tennessee, USA)
         ├─Hazel Louise Ratledge
(Lenoir City, Loudon County, Tennessee, USA;18 Sep 1912 - 21 Dec 1941)
         ├─Bessie May Ratledge
(10 Apr 1907 Lenoir City, Loudon County, Tennessee, USA - 11 Jan 1978 Knoxville, Knox County, Tennessee, USA)
         │ + Jabe Turner Arden
(Lenoir City, Loudon County, Tennessee, USA;1 Nov 1900 - 12 Jan 1970)
         ├─Douglas Ratledge
(Lenoir City, Loudon County, Tennessee, USA;Jun 1909 - 20 May 1910)
         ├─John Beecher Ratledge
(Lenoir City, Loudon County, Tennessee, USA;10 Oct 1910 - 9 Aug 1968)
         │ + Leona Simerly
(21 Apr 1924 Martel, Loudon County, Tennessee, USA - May 1990 Lenoir City, Loudon County, Tennessee, USA)
         ├─Raymond Ratledge
(13 Apr 1914 Lenoir City, Loudon County, Tennessee, USA - 16 Feb 1994 Knoxville, Knox County, Tennessee, USA)
         │ + Pearl Pruett
(15 Jan 1917 - Mar 1996 bur.Lenoir City, Loudon County, Tennessee, USA)
         ├─Ralph Robert Ratledge
(27 Jan 1916 Lenoir City, Loudon County, Tennessee, USA - 17 Feb 2003 Asheboro, Randolph County, North Carolina, USA)
         │ + Helen Louisa Vaughn
(27 Sep 1917 Tennessee, USA - 13 Jan 2010 Asheboro, Randolph County, North Carolina, USA)
         ├─Jack Alexander Ratledge, Jr
(2 Mar 1921 Lenoir City, Loudon County, Tennessee, USA - 19 Dec 1995 Oak Ridge, Anderson County, Tennessee, USA)
         │ Vivian Pauline (Polly) Robinson
(12 Sep 1921 Lenoir City, Loudon County, Tennessee, USA -          │ 27 Dec 2004 Greeneville, Greene County, Tennessee, USA)
         │          │          └─Mark Gregory Ratledge
(2 Mar 1976 Placerville, Eldorado County, California, USA -          │          │           29 Feb 2012 Cottonwood, Merced County, California, USA)