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":
Ann Jones
(8 Feb 1818 Kentucky, USA - 9 Aug 1872 Arkansas, USA)
Derosey Carroll
(8 Oct 1813 St Mary's County, Maryland, USA - 14 Jan 1863 Charleston, Franklin County, Arkansas, USA)
         ├─Elflida Carroll
(19 Jul 1857 Franklin County, Arkansas, USA - 14 Mar 1926 Sebastian County, Arkansas, USA)
         │ David A Arbuckle
(5 Nov 1835 Henry County, Missouri, USA - 2 Mar 1879 Arkansas, USA)
         │          ├─Mary D Arbuckle
(Sebastian County, Arkansas, USA;19 May 1879 - 20 Nov 1938)
         │          │ + George Augustus Pettigrew
(21 Jan 1876 Charleston, Franklin County, Arkansas, USA - 30 Oct 1942 Sebastian County, Arkansas, USA)
         │          └─Kate Ashley Arbuckle
(1877 Sebastian County, Arkansas, USA - 22 Jun 1949 Austin, Travis County, Texas, USA)
         │           + Jubal Early Beavers
(6 Apr 1875 Arkansas, USA - 17 Jan 1970 Longview, Gregg County, Texas, USA)
         ├─Araminda A Carroll
(12 Aug 1845 Franklin County, Arkansas, USA - 1875 Sebastian County, Arkansas, USA)
         │ David A Arbuckle
(5 Nov 1835 Henry County, Missouri, USA - 2 Mar 1879 Arkansas, USA)
         │          ├─Annie Arbuckle
(Sebastian County, Arkansas, USA;Sep 1872 - 30 Aug 1945)
         │          ├─John D Arbuckle
(24 Jun 1868 Sebastian County, Arkansas, USA - 20 Jun 1933 Fort Smith, Sebastian County, Arkansas, USA)
         │          │ Nell Pink Reiff
(Apr 1877 Arkansas, USA - 12 Feb 1960 bur.Fort Smith, Sebastian County, Arkansas, USA)
         │          │          ├─Wanda Arbuckle
(Jan 1898 Arkansas, USA - ??)
         │          │          └─Nell Virginia Arbuckle
(Abt 1910 Boone, Logan County, Arkansas, USA - ??)
         │          │           + James B Puckett
(Abt 1907 - ??)
         │          ├─Willie Carroll Arbuckle
(13 Feb 1863 - 1864 bur.Lavaca, Sebastian County, Arkansas, USA)
         │          ├─Ada Falconer Arbuckle
(Sebastian County, Arkansas, USA;4 Aug 1875 - 21 Jun 1876)
         │          ├─Laura Arbuckle
(Sebastian County, Arkansas, USA;6 Aug 1866 - 14 Nov 1866)
         │          ├─Louis Madison Arbuckle
(Sebastian County, Arkansas, USA;4 Aug 1875 - 11 Oct 1900)
         │          └─Randolph Armistead Arbuckle
(Sebastian County, Arkansas, USA;4 Aug 1875 - 1876)
         └─Henry Michael Carroll
(1839 Tishomingo County, Mississippi, USA - 9 Aug 1871 Sebastian County, Arkansas, USA)
          + Mary Elizabeth Arbuckle
(Sep 1843 Sebastian County, Arkansas, USA - 1920 bur.Fort Smith, Sebastian County, Arkansas, USA)