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: Isabel M Caldwell (1 Sep 1806 Tennessee, USA - 7 Apr 1887 Jefferson County, Tennessee, USA)
William Wirt Blackburn
(9 Apr 1838 Jefferson County, Tennessee, USA - 31 Dec 1915 Dandridge, Jefferson County, Tennessee, USA)
Harriet Roxanna Miller
(13 Jun 1846 Green County, Tennessee, USA - 2 Aug 1921 Jefferson County, Tennessee, USA)
:         ├─Horace Edmund Blackburn
(25 Apr 1876 Jefferson County, Tennessee, USA - 19 Jun 1919 Knoxville, Knox County, Tennessee, USA)
:         │ + Ida Belle Rankin
(18 Aug 1879 Jefferson County, Tennessee, USA - 19 May 1905 Knoxville, Knox County, Tennessee, USA)
:         │ Adele Ireland
(Francisco, Gibson County, Indiana, USA;31 Aug 1875 - 1 May 1945)
:         │          └─Horace Ireland Blackburn
(25 Aug 1910 Francisco, Gibson County, Indiana, USA - 1 Jul 1972 Hutchinson, Reno County, Kansas, USA)
:         ├─Nellie M Blackburn
(16 Jun 1877 Jefferson County, Tennessee, USA - 31 Jan 1971 bur.Jefferson County, Tennessee, USA)
:         │ + Mark Roy Rankin
(Jefferson County, Tennessee, USA;1 Sep 1875 - 2 Jun 1948)
:         ├─Charles Ardra Blackburn
(20 Jul 1878 Dandridge, Jefferson County, Tennessee, USA - :         │ 25 Mar 1962 bur.Dandridge, Jefferson County, Tennessee, USA)
:         │ Edith B Rankin
(27 Dec 1880 Jefferson County, Tennessee, USA - 27 Nov 1965 bur.Dandridge, Jefferson County, Tennessee, USA)
:         │          ├─Orrill Louise Blackburn
(9 Feb 1907 Knoxville, Knox County, Tennessee, USA - 2002 Kingsport, Sullivan County, Tennessee, USA)
:         │          │ + Dillon Rymer McClary
(1909 Savannah, Chatham County, Georgia, USA - 16 May 1973 Peru)
:         │          └─Harriette E Blackburn
(Abt 1911 Knoxville, Knox County, Tennessee, USA - ??)
:         ├─Effie P Blackburn
(10 Mar 1880 Jefferson County, Tennessee, USA - 11 Feb 1970 Columbia, Richland County, South Carolina, USA)
:         │ + Mac Calvin Franklin
(18 Sep 1880 Tennessee, USA - 6 Feb 1962 bur.Dandridge, Jefferson County, Tennessee, USA)
:         ├─Mary Leta Blackburn
(2 Jun 1890 Jefferson County, Tennessee, USA - 18 Jan 1950 Green County, Tennessee, USA)
:         │ + Charles Homer Babb, Sr
(Greene County, Tennessee, USA;11 Jun 1893 - 18 Nov 1949)
:         ├─Frederick Alexander Blackburn
(19 May 1881 Dandridge, Jefferson County, Tennessee, USA - 14 Oct 1944 Knoxville, Knox County, Tennessee, USA)
:         │ Nema Marguerite Deming
(Knoxville, Knox County, Tennessee, USA;11 May 1890 - 21 Jul 1935)
:         │          ├─Eloise D Blackburn
(26 May 1911 Tennessee, USA - Jan 1985 Knoxville, Knox County, Tennessee, USA)
:         │          │ + Harry James Thayer
(21 Mar 1907 Kanawha County, West Virginia, USA - 7 May 1961 bur.Knoxville, Knox County, Tennessee, USA)
:         │          └─Marguerite Blackburn
(Abt 1917 Knoxville, Knox County, Tennessee, USA - ?? bur.Knoxville, Knox County, Tennessee, USA)
:         │           + John W Grigsby, Sr
(11 Dec 1911 Hamblen County, Tennessee, USA - 6 Jul 1985 Knoxville, Knox County, Tennessee, USA)
:         ├─Katherine Louise Blackburn
(22 Nov 1882 Jefferson County, Tennessee, USA - 11 Oct 1979 bur.Knoxville, Knox County, Tennessee, USA)
:         │ + Colonel Sawyers Needham
(27 Nov 1882 Tennessee, USA - 11 Feb 1963 bur.Knoxville, Knox County, Tennessee, USA)
:         ├─Ralph Miller Blackburn
(21 Feb 1884 Jefferson County, Tennessee, USA - 21 Apr 1953 Morristown, Hamblen County, Tennessee, USA)
:         │ Alice Martha Hale
(23 Jan 1889 Hamblen County, Tennessee, USA - 4 Nov 1968 Morristown, Hamblen County, Tennessee, USA)
:         │          ├─Sarah E Blackburn
(Abt 1919 Jefferson County, Tennessee, USA - ??)
:         │          └─Alice Harriette Blackburn
(24 May 1924 Hamblen County, Tennessee, USA - 8 Sep 1947 Morristown, Hamblen County, Tennessee, USA)
:         │           + James Lawrence Jenkins
( - unbknown)
:         ├─Anna Estelle Blackburn
(8 Apr 1885 Jefferson County, Tennessee, USA - 19 Dec 1965 bur.New Market, Jefferson County, Tennessee, USA)
:         │ + Frederic Charles Coldwell
(Jefferson County, Tennessee, USA;25 Feb 1880 - 17 Oct 1967)
:         ├─Eva Elizabeth Blackburn
(Jefferson County, Tennessee, USA;5 Jun 1886 - 10 Nov 1958)
:         │ + Benjamin Wallace McMurry
(3 Jun 1882 Jefferson County, Tennessee, USA - 28 Apr 1966 Dandridge, Jefferson County, Tennessee, USA)
:         └─Nina Moore Blackburn
(4 Mar 1892 Jefferson County, Tennessee, USA - 10 Sep 1963 White Pine, Jefferson County, Tennessee, USA)
:          + Ferd Barches Cowan, Sr
(7 Jun 1884 Jefferson County, Tennessee, USA - 1 Jan 1954 Knoxville, Knox County, Tennessee, USA)
Harriet E McSpadden
(13 Jun 1846 Jefferson County, Tennessee, USA - 2 Aug 1921 bur.Dandridge, Jefferson County, Tennessee, USA)
         ├─William Wallace Blackburn
(15 Nov 1869 Jefferson County, Tennessee, USA - 24 Dec 1927 Jackson County, Tennessee, USA)
         │ + Ida Adaline Harrison
(Jefferson County, Tennessee, USA;22 Nov 1872 - 23 Nov 1942)
         └─Benjamin Rufus Blackburn
(10 May 1871 Jefferson County, Tennessee, USA - 16 Aug 1959 Houston, Harris County, Texas, USA)
          Effie May Yarbrough
(23 Mar 1881 Texas, USA - 5 Jan 1967 Houston, Harris County, Texas, USA)
                   ├─Hattie Pearl Blackburn
(24 Jun 1902 Liberty County, Texas, USA - 4 Aug 1997 Houston, Harris County, Texas, USA)
                   │ + Stephan Anthony Kappe
(15 Aug 1894 Bryan, Brazos County, Texas, USA - 2 Nov 1968 Houston, Harris County, Texas, USA)
                   ├─William Charles Blackburn
(Abt 1906 Liberty County, Texas, USA - ??)
                   ├─Benjamin Rufus Blackburn, Jr
(24 May 1908 Liberty County, Texas, USA - 2 Aug 1996 New Caney, Montgomery County, Texas, USA)
                   │ Elois Fay Ramsay
(24 May 1909 Gonzales County, Texas, USA - 6 Mar 2008 New Caney, Montgomery County, Texas, USA)
                   ├─Joseph Lawrence Blackburn
(25 May 1913 Houston Heights, Harris County, Texas, USA -                    │ 18 Sep 1989 Houston, Harris County, Texas, USA)
                   └─Clifford Wesley Blackburn
(Houston, Harris County, Texas, USA;25 Dec 1918 - 22 May 1935)