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":
Jane T Hoodenpile
(25 Apr 1812 North Carolina, USA - 3 Sep 1894 Cold Spring, Bledsoe County, Tennessee, USA)
John Billingsley
(10 Sep 1781 Onslow County, North Carolina, USA - 25 May 1856 Bledsoe County, Tennessee, USA)
         ├─Theolia Billingsley
(Bledsoe County, Tennessee, USA;14 Oct 1832 - 27 Dec 1908)
         │ Reuben Rankin
(25 May 1826 Tennessee, USA - 15 Feb 1877 Cold Spring, Bledsoe County, Tennessee, USA)
         │          └─John Marshall Rankin
(Bledsoe County, Tennessee, USA;15 Nov 1855 - 2 Jun 1882)
         │           Martha Melcina (Cinnie) Hutcheson
(24 Mar 1857 Pikeville, Bledsoe County, Tennessee, USA -          │           22 Nov 1907 Cold Spring, Bledsoe County, Tennessee, USA)
         │                    └─James 'Byron' Rankin
(20 Mar 1880 Bledsoe County, Tennessee, USA -          │                     22 Jul 1927 Pikeville, Bledsoe County, Tennessee, USA)
         │                     Alice Stepp
(Cold Spring, Bledsoe County, Tennessee, USA;9 Oct 1882 - 15 Sep 1966)
         │                              └─John Marshall Rankin
(8 Sep 1900 Bledsoe County, Tennessee, USA -          │                               Sep 1980 Spring City, Rhea County, Tennessee, USA)
         │                               + Daisy Elaine Pittman
(12 Nov 1907 Tennessee, USA - 17 Jul 1979 Spring City, Rhea County, Tennessee, USA)
         ├─Philip Marshall Billingsley
(28 Sep 1834 Bledsoe County, Tennessee, USA - 28 Mar 1905 Marshall County, Tennessee, USA)
         │ + Mary M Smith
(5 Nov 1838 Tennessee, USA - 12 Apr 1877 bur.Marshall County, Tennessee, USA)
         ├─Amanda M Billingsley
(Bledsoe County, Tennessee, USA;29 Oct 1836 - 10 Feb 1919)
         ├─Hixey O Billingsley
(Bledsoe County, Tennessee, USA;3 Nov 1838 - 6 Feb 1895)
         ├─Viola C Billingsley
(Cold Spring, Bledsoe County, Tennessee, USA;15 May 1841 - 18 Apr 1921)
         │ + William Weatherford Farmer
(Cold Spring, Bledsoe County, Tennessee, USA;15 Sep 1835 - 6 Mar 1889)
         ├─Leander Travis Billingsley
(20 Oct 1843 Bledsoe County, Tennessee, USA - 12 Jun 1927 Billingsley, Bledsoe County, Tennessee, USA)
         │ Mary E Worthington
(27 May 1849 Ninemile, Bledsoe County, Tennessee, USA - 1 Apr 1890 Bledsoe County, Tennessee, USA)
         │ :         ├─John Marshall Billingsley
(10 Nov 1879 Bledsoe County, Tennessee, USA - 24 Nov 1956 Chattanooga, Hamilton County, Tennessee, USA)
         │ :         ├─Flora Jane Billingsley
(Abt 1877 Bledsoe County, Tennessee, USA - ??)
         │ :         ├─Samuel W. Billingsley
(Abt 1875 Bledsoe County, Tennessee, USA - 20 Dec 1898 Cuba)
         │ :         ├─Savage Lee Billingsley
(15 Aug 1886 Pikeville, Bledsoe County, Tennessee, USA - Jan 1966 Phoenix, Maricopa County, Arizona, USA)
         │ :         └─Grover Cleveland Billingsley
(27 Dec 1884 Pikeville, Bledsoe County, Tennessee, USA -          │ :          21 Nov 1944 Nashville, Davidson County, Tennessee, USA)
         │ :          + Estelle Marker
(Nashville, Davidson County, Tennessee, USA;23 Jun 1889 - 12 Jun 1921)
         │ Lucy Ann Houston
(13 May 1871 Billingsley, Bledsoe County, Tennessee, USA -          │ 23 Apr 1956 Bledsoe County, Tennessee, USA)
         │          ├─William Bates Billingsley
(17 Jan 1904 Pikeville, Bledsoe County, Tennessee, USA -          │          │ 16 May 1971 Dayton, Montgomery County, Ohio, USA)
         │          ├─Florah Ann Billingsley
(17 Mar 1906 Bledsoe County, Tennessee, USA - ??)
         │          ├─Charles T Billingsley
(22 Aug 1907 Pikeville, Bledsoe County, Tennessee, USA - Aug 1967)
         │          ├─Lola Mae Billingsley
(22 Oct 1901 Pikeville, Bledsoe County, Tennessee, USA - 10 Jul 1990 Harper, Harper County, Kansas, USA)
         │          │ + Thomas James Robinson Swafford
(27 Nov 1895 Davidson County, Tennessee, USA - 19 Jan 1970 Harper County, Kansas, USA)
         │          ├─Woodrow L Billingsley
(Pikeville, Bledsoe County, Tennessee, USA;7 Mar 1913 - 23 Feb 1955)
         │          ├─Lee A Billingsley
(Jun 1899 Bledsoe County, Tennessee, USA - ??)
         │          └─Nellie Virginia Billingsley
(17 Mar 1900 Pikeville, Bledsoe County, Tennessee, USA - ??)
         │           + Charles P Leslie
(Abt 1884 Indiana, USA - ??)
         ├─Statira Billingsley
(15 Dec 1845 Bledsoe County, Tennessee, USA - ??)
         ├─Sarah Flora Billingsley
(15 Nov 1848 Bledsoe County, Tennessee, USA - 21 Apr 1923 Pikeville, Bledsoe County, Tennessee, USA)
         │ + William Franklin Hutcheson
(24 Dec 1835 Meigs County, Tennessee, USA - 18 Apr 1918 bur.Bledsoe County, Tennessee, USA)
         └─Evalista J Billingsley
(6 Apr 1853 Pikeville, Bledsoe County, Tennessee, USA - 28 Nov 1935 Stamford, Jones County, Texas, USA)
          + John L Swafford
(Cold Spring, Bledsoe County, Tennessee, USA;1 Feb 1845 - 9 Jul 1911)