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":
Verna Blevens
(18 Jan 1897 Bledsoe County, Tennessee, USA - 25 Jul 1930 Dayton, Rhea County, Tennessee, USA)
Raleigh Darius Hutcheson
(12 Sep 1895 Bledsoe County, Tennessee, USA - 10 Sep 1956 McMinnville, Warren County, Tennessee, USA)
         ├─William Benton Hutcheson
(18 Dec 1917 Pikeville, Bledsoe County, Tennessee, USA - 2016)
         │ + Virginia Cope
(17 Apr 1922 Sheffield, Colbert County, Alabama, USA - 30 Jan 2004 Crossville, Cumberland County, Tennessee, USA)
         ├─Mary Pheribol Hutcheson
(18 May 1922 Pikeville, Bledsoe County, Tennessee, USA - 12 Jun 2012 Owens Cross Roads, Madison County, Alabama, USA)
         │ Noah Venable Hughes
(2 Apr 1920 Howard Springs, Cumberland County, Tennessee, USA - 4 Mar 2016 Huntsville, Madison County, Alabama, USA)
         │           + Living
         └─Ralph Ellis Hutcheson
(19 Oct 1924 Dayton, Rhea County, Tennessee, USA - 17 Apr 1978 Oakland County, Michigan, USA)