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":
Amanda Cooper
(20 Sep 1871 Morgan County, Tennessee, USA - 24 Sep 1961 Monterey, Putnam County, Tennessee, USA)
         ├─Porter Lorenzo Lavender
(16 Jun 1889 Deer Lodge, Morgan County, Tennessee, USA - Oct 1962)
         │ + Norva E Bailey
(Abt 1901 - 28 Jul 1947 Elma, Grays Harbor County, Washington, USA)
         │ + Josephine Galloway
(26 Dec 1890 Anderson County, Tennessee, USA - 6 Jan 1979 Elma, Grays Harbor County, Washington, USA)
         │ Mattie Ellen Eddleman
(6 Nov 1892 Arkansas, USA -          │ 18 Jan 1938 Elma, Grays Harbor County, Washington, USA)
         │          ├─Howard Porter Lavender
(30 Apr 1926 Aberdeen, Grays Harbor County, Washington, USA -          │          │ 1 Oct 1999 Hoquiam, Grays Harbor County, Washington, USA)
         │          └─Chester Lavender
(28 Mar 1918 Morgan County, Tennessee, USA - 1 Oct 1920 Hoquiam, Grays Harbor County, Washington, USA)
         ├─Ramey Otis Lavender
(28 Apr 1894 Morgan County, Tennessee, USA - 24 Dec 1993 Wartburg, Morgan County, Tennessee, USA)
         ├─Leland Thurman Lavender
(3 May 1897 Morgan County, Tennessee, USA - 19 Mar 2003 bur.Morgan County, Tennessee, USA)
         │ Debbie Adkins
(11 Mar 1900 Tennessee, USA - May 1982 Deer Lodge, Morgan County, Tennessee, USA)
         │          ├─Harold Dean Lavender
(Deer Lodge, Morgan County, Tennessee, USA;9 May 1922 - 23 Nov 2004)
         │          ├─Dale Keith Lavender
(Deer Lodge, Morgan County, Tennessee, USA;24 Jul 1927 - 9 Aug 2000)
         │          │ + Living
         ├─Estella Mae Lavender
(Deer Lodge, Morgan County, Tennessee, USA;9 May 1900 - 25 Oct 1995)
         │ + Clay E Jones
(11 Jan 1895 Morgan County, Tennessee, USA - Apr 1980 Deer Lodge, Morgan County, Tennessee, USA)
         └─Della Almedia Lavender
(22 Jun 1904 Deer Lodge, Morgan County, Tennessee, USA - 30 Jul 1971 bur.Morgan County, Tennessee, USA)
          + Living