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: Newton Cannon Kuykendall (26 Mar 1837 Jackson County, Tennessee, USA - 30 Apr 1911 Cookeville, Putnam County, Tennessee, USA)
         ├─Malissa Etta Garrett
(29 Aug 1893 Tennessee, USA - 27 Aug 1963 Cookeville, Putnam County, Tennessee, USA)
         │ + Alexander Hammons
(Overton County, Tennessee, USA;13 Aug 1886 - 20 Sep 1970)
         ├─Newton C Garrett
(1895 Overton County, Tennessee, USA - 8 Apr 1911 Cookeville, Putnam County, Tennessee, USA)
         ├─Ella Meikle Garrett
(12 Nov 1896 Overton County, Tennessee, USA - 6 Jan 1958 Nashville, Davidson County, Tennessee, USA)
         │ + Living
         ├─Walter Terry Garrett
(13 Oct 1902 Overton County, Tennessee, USA - 23 Mar 1982 Murfreesboro, Rutherford County, Tennessee, USA)
         │ + Leone H Speck
         │ + Dale Lillian 'Lillie' Johnston
(19 Sep 1908 Pelham, Mitchell County, Georgia, USA -          │ 20 Sep 2002 Leesburg, Lake County, Florida, USA)
         ├─Flem Comer Garrett
(26 Dec 1900 Tennessee, USA - 19 Feb 1966 Cookeville, Putnam County, Tennessee, USA)
         │ + Tommie Estalee Price
(Cookeville, Putnam County, Tennessee, USA;15 Aug 1907 - 27 Mar 1970)
         └─Tappath Agga Garrett
(9 May 1907 Cookeville, Putnam County, Tennessee, USA - 19 Jan 1975 Bowling Green, Hardee County, Florida, USA)
          + Jesse Lee Hobbs
(19 Nov 1907 Florida, USA - 2 May 1983 Hawkinsville, Pulaski County, Georgia, USA)
          + William H Powell
(1907 - ??)