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: Azre (Ezra) Horton (Between 1809 and 1821 SC or TN, USA - Bef 1887 Fannin County, Texas, USA)
Mother: Sarah Hamby (Between 1810 and 1821 Tennessee, USA - Abt 1871 Colbert County, Alabama, USA)
Thomas Jefferson (Jeff) Horton
(1 Nov 1852 Tishomingo County, Mississippi, USA - 30 Sep 1940 Los Angeles, Los Angeles County, California, USA)
Virginia Caroline (Jennie) Todd
(5 Dec 1863 Dyersburg, Dyer County, Tennessee, USA - 22 Jan 1935 Quanah, Hardeman County, Texas, USA)
         ├─Una Mae Horton
(14 Nov 1885 Bonham, Fannin County, Texas, USA - 3 Dec 1902 Quanah, Hardeman County, Texas, USA)
         ├─Earnest Elmer Horton
(12 Jan 1888 Bonham, Fannin County, Texas, USA - 2 Nov 1943 Quanah, Hardeman County, Texas, USA)
         │ Fredonia Penelope (Nellie) Godbold
(17 Sep 1889 Hazlehurst, Copiah County, Mississippi, USA -          │ 27 Nov 1973 Vernon, Wilbarger County, Texas, USA)
         │          ├─Una Florence Horton
(Quanah, Hardeman County, Texas, USA;9 Feb 1909 - 11 Mar 1909)
         │          ├─Velma (Peggy) Louise Horton
(29 Aug 1910 Quanah, Hardeman County, Texas, USA - 24 Dec 2008 Ojai, Ventura County, California, USA)
         │          │ Milton Vandevere Beckett
(4 Apr 1896 Hartford, Burlington County, New Jersey, USA -          │          │ 29 Jan 1957 North Hollywood, Los Angeles County, California, USA)
         │          │           + Living
         │          ├─Ernestine Etoile Horton
(10 Jun 1912 Quanah, Hardeman County, Texas, USA - 15 Jan 1981 Vernon, Wilbarger County, Texas, USA)
         │          │ Robert 'Lloyd' Havins
(29 Aug 1911 Ranger, Eastland County, Texas, USA - 8 Aug 2004 Wichita Falls, Wichita County, Texas, USA)
         │          │          │ + Oma Gene Hargesheimer
(24 Nov 1937 Quanah, Hardeman County, Texas, USA -          │          │          │ : 12 Oct 1992 Amarillo, Potter County, Texas, USA)
         │          │          │ + Joyce Kay Poe
(2 Sep 1946 Borger, Hutchinson County, Texas, USA -          │          │          │ : 20 Aug 1996 Vernon, Wilbarger County, Texas, USA)
         │          │          │ + Living
         │          │          │ + Nola Mae Moore
(29 Nov 1938 Ralls, Crosby County, Texas, USA - 31 Mar 2015 Amarillo, Potter County, Texas, USA)
         │          │           + Living
         │          ├─Eugene Elmer Horton
(Quanah, Hardeman County, Texas, USA;14 Oct 1915 - 17 Sep 2009)
         │          │ Neva Loy Robbins
(30 Oct 1920 Eldorado, Jackson County, Oklahoma, USA - 1 Jul 2011 Quanah, Hardeman County, Texas, USA)
         │          │           + Garry Lynn Holcomb
(10 Jan 1947 Texarkana, Bowie County, Texas, USA - 9 Feb 2009 Carrollton, Dallas County, Texas, USA)
         │          └─Edgar 'Foy' Horton
(Quanah, Hardeman County, Texas, USA;1 Aug 1917 - 2 Mar 1989)
         │           Nellye Ruth Becknell
(27 Aug 1916 Wilbarger County, Texas, USA - 1 Dec 1980 Quanah, Hardeman County, Texas, USA)
         │                     + Living
         │                     + Living
         ├─Mary Myrtle Horton
(Quanah, Hardeman County, Texas, USA;27 Oct 1890 - 16 May 1891)
         ├─Clarence Madison Horton
(13 Apr 1893 Quanah, Hardeman County, Texas, USA - 1 Feb 1988 Riverside, Riverside County, California, USA)
         │ Vivian Lundy
(5 Aug 1903 Texas, USA - 25 Oct 1999 Contra Costa County, California, USA)
         │          ├─Wanda Vongiel Horton
(23 Feb 1924 Quanah, Hardeman County, Texas, USA - 12 May 1972 Orange County, California, USA)
         │          │ William Willis
         │          │           + ?? (w of Jim Willis)
         │           :         └─Mark Smith
( - 1995)
         │           + Albert 'Neale' Clark
(17 Jun 1929 Shawnee, Pottawatomie County, Oklahoma, USA -          │           28 Jul 2006 Banning, Riverside County, California, USA)
         ├─Viera Annie Horton
(27 Apr 1895 Quanah, Hardeman County, Texas, USA - Jan 1984 Las Vegas, Clark County, Nevada, USA)
         │ Oris Easly Reagan
(21 Jul 1897 Yoakum County, Texas, USA - 2 Nov 1964 Los Angeles, Los Angeles County, California, USA)
         │          ├─Virginia Ruth Reagan
(7 Jul 1929 Glendale, Maricopa County, Arizona, USA - Jan 1986 Las Vegas, Clark County, Nevada, USA)
         │          │ Jesse Leonard (Boots) Sammann
(22 Jun 1928 Lockney, Floyd County, Texas, USA - 26 Jan 2000 Odessa, Ector County, Texas, USA)
         │          │          │ + Gregory James Eakins
(7 Oct 1949 Arizona, USA - 27 Sep 1990 San Diego, San Diego County, California, USA)
         │          │           + Robert Bently
(16 Jul 1951 - 15 Apr 1994 Kent, King County, Washington, USA)
         │           Living
         │                    ├─Reagan Ray Alexander
(3 Dec 1958 Lynwood, Los Angeles County, California, USA -          │                    │ 12 Apr 2010 Pahrump, Nye County, Nevada, USA) =>
         │                    │ + Living
         └─Brady Leslie Horton
(29 Sep 1897 Quanah, Hardeman County, Texas, USA - 8 Nov 1989 Dallas, Dallas County, Texas, USA)
          Ida Marie Hazlet
(29 Sep 1898 Leon, Decatur County, Iowa, USA - 24 Jul 2000 Searcy, White County, Arkansas, USA)
                   ├─Valle Beth Horton
(24 Nov 1929 Amarillo, Potter County, Texas, USA - 5 Jul 2020 Searcy, White County, Arkansas, USA)
                   │ Living
                   │           + Judith Frances Wolfe
(27 Sep 1953 Henderson, Rusk County, Texas, USA -                    │           16 Jan 2013 Cleveland, Cuyahoga County, Ohio, USA)
                   └─Donald Brady Horton
(20 Jun 1925 Denver, Denver County, Colorado, USA - 24 Mar 2015 Lake Forest, Orange County, California, USA)
                    Marian Bess Stapp
(28 Aug 1925 Stamford, Jones County, Texas, USA - 15 Apr 2011 Irvine, Orange County, California, USA)
                             │ + Living
                             │ + John Frederick Lamm
(25 Jul 1945 Madison, Dane County, Wisconsin, USA -                              │ 5 Oct 2020 San Clemente, Orange County, California, USA)