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":
Mother: Laura May Everly (11 Nov 1863 Kentucky, USA - 2 Aug 1899 Ohio County, Kentucky, USA)
Archie Lee (Arch) Coffman, Sr
(29 Sep 1888 Centertown, Ohio County, Kentucky, USA - 27 Nov 1927 Detroit, Wayne County, Michigan, USA)
Fannie Charlotte Hutcheson
(3 Jun 1890 Pikeville, Bledsoe County, Tennessee, USA - 25 Sep 1988 Clinton Twp, Macomb County, Michigan, USA)
         ├─Helen Fay Coffman
(27 Dec 1914 McLean County, Kentucky, USA - 28 Feb 2012 Wheat Ridge, Jefferson County, Colorado, USA)
         │ Olaf Randolph (Randy) Baaso
(24 Jan 1914 Calumet, Houghton County, Michigan, USA - 19 Mar 2002 Wheat Ridge, Jefferson County, Colorado, USA)
         │          └─Glenn Robert Baaso
(12 Oct 1946 Detroit, Wayne County, Michigan, USA - 24 Sep 2011 Wheat Ridge, Jefferson County, Colorado, USA)
         │           + Living
         ├─Hannah Louise Coffman
(21 Dec 1912 Livermore, McLean County, Kentucky, USA - 16 Mar 1933 Detroit, Wayne County, Michigan, USA)
         │ :         └─Dolores Frances Coffman
(15 Sep 1931 Detroit, Wayne County, Michigan, USA - 19 Jun 1991 Ferndale, Oakland County, Michigan, USA)
         │ :          William Francis Watson, Jr
(27 May 1929 Belleville, Ontario, Canada -          │ :          : 20 Jan 2012 bur.Glen Eden Memorial Park, Livonia, Wayne County, Michigan, USA)
         │ :          :          + Bob Gustafson
         │ :          + Claude Holman
(1934 - ??)
         │ + Walter Frederick Stadelman
(21 Jun 1912 Detroit, Wayne County, Michigan, USA -          │ 9 Sep 2000 North Palm Beach, Palm Beach County, Florida, USA)
         ├─Gordon Stanley Coffman
(29 Jul 1923 Detroit, Wayne County, Michigan, USA - 8 Jun 2003 Hillsboro, Highland County, Ohio, USA)
         │ Doreen May Kidman
(18 Apr 1929 Detroit, Wayne County, Michigan, USA - 20 Dec 2005 Hillsboro, Highland County, Ohio, USA)
         ├─Archie Lee Coffman, Jr
(21 Aug 1921 Detroit, Wayne County, Michigan, USA - 17 Feb 2010 Warren, Macomb County, Michigan, USA)
         │ Rachel Patricia (Pat) Lavery
(13 Mar 1921 Lurgan, Northern Ireland - 30 Jun 2018 Roseville, Macomb County, Michigan, USA)
         │          │ + Frank Viviano
(3 Dec 1947 Detroit, Wayne County, Michigan, USA - ??)
         │                     + Living
         ├─Oliver Lee Coffman
(10 Nov 1910 Spencer, Van Buren County, Tennessee, USA - 1922 Detroit, Wayne County, Michigan, USA)
         └─John Coffman
(Detroit, Wayne County, Michigan, USA;25 Jan 1920 - 1920)