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: Owen Benson Hendrix (8 Oct 1881 Okolona, Clark County, Arkansas, USA - 3 Jun 1955 Pike County, Arkansas, USA)
Mother: Lula 'Katherine' Wingfield (20 Sep 1890 Piney Grove, Pike County, Arkansas, USA - 14 Sep 1983 Prescott, Nevada County, Arkansas, USA)
Olen Clayton Hendrix
(12 Jul 1909 Bowen, Pike County, Arkansas, USA - 5 Aug 1998 Prescott, Nevada County, Arkansas, USA)
Carmen Onita Cornish
(17 Jan 1910 Nathan, Pike County, Arkansas, USA - 11 Sep 2002 Prescott, Nevada County, Arkansas, USA)
         │          │ Living
         │          │          ├─Lena Rae Hendrix
(24 Sep 1985 Hope, Hempstead County, Arkansas, USA - 16 Oct 2004 Antoine, Pike County, Arkansas, USA)
         │          │ Sue Ellen Rhoten
(31 Dec 1960 Fort Worth, Tarrant County, Texas, USA -          │          │ 26 Jan 2019 North Richland Hills, Tarrant County, Texas, USA)
         │          │ + Living
         │          └─Michael 'Scott' Baldwin
(17 Nov 1964 Honolulu, Honolulu County, Hawaii, USA - 14 Mar 1992 Arlington, Tarrant County, Texas, USA)
         └─James William Hendrix
(14 Sep 1946 Hot Springs, Garland County, Arkansas, USA - 31 May 2003 Antoine, Pike County, Arkansas, USA)
          Living