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":
Benjamin Franklin Sherfy
(21 Jan 1852 Jonesborough, Washington County, Tennessee, USA - 23 Jan 1934 Colfax, Whitman County, Washington, USA)
Narcissa Cate Keebler
(7 May 1853 Washington County, Tennessee, USA - 5 Jun 1944 Colfax, Whitman County, Washington, USA)
:         ├─John Hugh Sherfey
(30 Aug 1874 Jonesborough, Washington County, Tennessee, USA - Aft 1940 Colfax, Whitman County, Washington, USA)
:         │ + Theora M Beggs
(15 Jul 1885 Santa Rosa, Sonoma County, California, USA - ??)
:         ├─James William Sherfey
(25 Jul 1877 Washington County, Arkansas, USA - 25 Dec 1967 Spokane, Spokane County, Washington, USA)
:         │ + Isa Valinda Collins
(27 Jul 1882 Richardsville, Jefferson County, Pennsylvania, USA - 11 Jul 1968 Edmonds, Snohomish County, Washington, USA)
:         ├─Robert Ross Sherfey
(2 Dec 1879 Johnson City, Washington County, Tennessee, USA - Jul 1964 Washington, USA)
:         │ + Mabelle Boyd
(23 Jan 1880 Central City, Merrick County, Nebraska, USA - ??)
:         ├─Walter Edgar Sherfey
(25 Sep 1882 Washington County, Tennessee, USA - 30 Mar 1943 Colfax, Whitman County, Washington, USA)
:         │ + Myrtle Isa Taylor
(Washington, USA;1889 - 1912)
:         └─Ruby Marie Sherfey
(Colfax, Whitman County, Washington, USA;4 Oct 1894 - 18 Oct 1979)
:          + William Thomas Smith
(1 Feb 1890 Amsterdam, Bates County, Missouri, USA - 3 Jan 1981 Moscow, Latah County, Idaho, USA)
         └─Ruby Marie Sherfey
(Colfax, Whitman County, Washington, USA;4 Oct 1894 - 18 Oct 1979)
          + William Thomas Smith
(1 Feb 1890 Amsterdam, Bates County, Missouri, USA - 3 Jan 1981 Moscow, Latah County, Idaho, USA)