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: Charles Hutcheson, III (11 Apr 1807 Grainger or Sequatchie County, Tennessee, USA - 9 Sep 1842 Bledsoe County, Tennessee, USA)
Mother: Sarah Worthington (5 Jan 1809 Bledsoe County, Tennessee, USA - 26 Sep 1895 Springtown, Parker County, Texas, USA)
Alfred Leonidas Hutcheson
(21 Jan 1842 Meigs County, Tennessee, USA - 22 Oct 1930 Springtown, Parker County, Texas, USA)
Louisa Annis Martin
(30 Nov 1845 Meigs County, Tennessee, USA - 1 Nov 1928 Springtown, Parker County, Texas, USA)
         ├─M. L. Hutcheson
(Abt 1868 Tennessee, USA - ??)
         ├─Albert Hutcheson
(Abt 1874 Tennessee, USA - ??)
         ├─Walter Charles Hutcheson
(5 Dec 1875 Meigs County, Tennessee, USA - 17 Aug 1949 Springtown, Parker County, Texas, USA)
         ├─Jinnie M. Hutcheson
(Abt 1878 Tennessee, USA - ??)
         └─Maggie S Hutcheson
(Jul 1880 Birchwood, Hamilton County, Tennessee, USA - 23 Mar 1956 Fort Worth, Tarrant County, Texas, USA)
          + Edgar Edwin Earp
(18 Nov 1876 Wise County, Texas, USA - 31 May 1962 Azle, Tarrant County, Texas, USA)