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":
Joseph Elijah Foster
(4 Feb 1868 Bradley County, Tennessee, USA - 10 Oct 1942 Cleveland, Bradley County, Tennessee, USA)
Agnes F McCroskey
(4 Feb 1874 Tennessee, USA - 17 Apr 1952 Cleveland, Bradley County, Tennessee, USA)
         ├─Carl Lincoln Foster
(1 Aug 1892 Cleveland, Bradley County, Tennessee, USA - 15 Aug 1941 Chattanooga, Hamilton County, Tennessee, USA)
         │ + Annie Dunn
         ├─Murrel Foster
(Aug 1895 Cleveland, Bradley County, Tennessee, USA - ??)
         ├─Murley Foster
(1897 Cleveland, Bradley County, Tennessee, USA - ??)
         │ + J.P. Green
         ├─Marie Foster
(Aug 1899 Tennessee, USA - ??)
         │
         │          ├─Jack Foster
(1922 Tennessee, USA - ??)
         ├─Joseph David Foster
(20 Jun 1901 Bradley County, Tennessee, USA - 19 Nov 1951 Cleveland, Bradley County, Tennessee, USA)
         │ + Minnie Stuart
         ├─Hambright Marshall "Hal" Foster
(Cleveland, Bradley County, Tennessee, USA;30 Jan 1894 - 8 Mar 1957)
         └─Charles L Foster
(12 Oct 1910 Tennessee, USA - 2 May 1993 Cleveland, Bradley County, Tennessee, USA)