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":
Lorenzo Mathew Kirkendall
(30 Sep 1879 Benton, Fulton County, Arkansas, USA - 11 Jul 1956 Hominy, Osage County, Oklahoma, USA)
:         ├─Lester Verdon Kirkendall
(3 Nov 1917 Pottawatomie County, Oklahoma, USA - 6 Apr 1966 Hominy, Osage County, Oklahoma, USA)
:         │ + Anna Mae Lampkin
(10 Apr 1923 Oklahoma, USA - 2 Apr 2015 Norman, Cleveland County, Oklahoma, USA)
:         ├─Ethel Eula Kirkendall
(31 Aug 1911 Hominy, Osage County, Oklahoma, USA - 13 May 1997 Mustang, Canadian County, Oklahoma, USA)
:         │ + Floyd O Lackenmayr
(22 Nov 1909 Illinois, USA - 22 Apr 1973 Mustang, Canadian County, Oklahoma, USA)
:         ├─Elva Kirkendall
(2 Mar 1908 Oklahoma, USA - 7 Mar 1975 Hominy, Osage County, Oklahoma, USA)
:         │ + Erven Abe Blue
(14 Aug 1900 Pawnee County, Oklahoma, USA - 21 Sep 1961 Hominy, Osage County, Oklahoma, USA)
:         ├─Claude Franklin Kirkendall
(5 Mar 1904 Ozark County, Missouri, USA - 2 Aug 1944 Oklahoma City, Oklahoma County, Oklahoma, USA)
:         │ Thelma Motley
(6 Jan 1907 Sapulpa, Creek County, Oklahoma, USA - 6 Oct 1988 Tulsa, Tulsa County, Oklahoma, USA)
:         │          └─William Boyd Kirkendall
(5 Dec 1931 Hominy, Osage County, Oklahoma, USA - 6 Dec 1990 bur.Tulsa, Tulsa County, Oklahoma, USA)
:         │           Living
:         └─Lola Pearl Kirkendall
(17 Oct 1900 Harrison, Boone County, Arkansas, USA - 13 Feb 1977 Ponca City, Kay County, Oklahoma, USA)
:          + Joseph Everett Soward
(20 Oct 1900 Jasper, Newton County, Arkansas, USA - 4 Feb 1955 Tonkawa, Kay County, Oklahoma, USA)
+ Obadiah Selvidge
(3 Dec 1875 Memphis, Shelby County, Tennessee, USA - May 1948 Oklahoma, USA)