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: James M Trewhitt (19 Apr 1820 Morgan County, Tennessee, USA - 3 Jun 1899 Bradley County, Tennessee, USA)
Mother: Christiann Wattenbarger (31 Dec 1840 Greene County, Tennessee, USA - 6 May 1922 Cleveland, Bradley County, Tennessee, USA)
Daniel Coffee Trewhitt
(30 Aug 1867 Bradley County, Tennessee, USA - 1 May 1950 Cleveland, Bradley County, Tennessee, USA)
Elizabeth (Eliza) Ruth Hunt
(20 Apr 1868 Tennessee, USA - 31 Jan 1926 Cleveland, Bradley County, Tennessee, USA)
:         ├─Paul Madison Trewhitt
(2 Dec 1893 Cleveland, Bradley County, Tennessee, USA - Jan 1974 Chattanooga, Hamilton County, Tennessee, USA)
:         │ Edna 'Pearl' Pack
(6 May 1898 Cleveland, Bradley County, Tennessee, USA - 12 Mar 1992 Chattanooga, Hamilton County, Tennessee, USA)
:         │          └─Mary Ruth Trewhitt
(8 Jan 1925 Bradley County, Tennessee, USA - 23 Jul 2010 East Ridge, Hamilton County, Tennessee, USA)
:         │           + William Cecil Eaves
(21 May 1924 Shepard, Hamilton County, Tennessee, USA - :         │           20 Oct 1994 Chattanooga, Hamilton County, Tennessee, USA)
:         └─Carl Trewhitt
(1 Nov 1892 Cleveland, Bradley County, Tennessee, USA - 27 Mar 1965 Tennessee, USA)
:          Georgia Leach
(Abt 1887 Bradley County, Tennessee, USA - ??)
:                   ├─Willard L Trewhitt
(8 Nov 1921 Bradley County, Tennessee, USA - 29 Apr 2009 Huntsville, Madison County, Alabama, USA)
:                   └─Mary Caroline Trewhitt
(Abt 1926 Bradley County, Tennessee, USA - ??)
+ Fannie Jane McCracken
(21 Jul 1887 Bradley County, Tennessee, USA - 16 Dec 1951 Cleveland, Bradley County, Tennessee, USA)