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":
Myrtle Elkins
(28 DEC 1886 Tennessee, USA - 25 APR 1971 Tennessee, USA)
James Arthur Bacon (15 AUG 1884 Tennessee, USA - 27 DEC 1965 McMinn County, Tennessee, USA)
     ┌──Nannie Irene Bacon(17 AUG 1907 Hamilton County, Tennessee, USA -      │ 18 SEP 1988 Clayton County, Georgia, USA)
     │ Luther Marion Plank (10 MAR 1895 McMinn County, Tennessee, USA -      │ : 17 APR 1948 McMinn County, Tennessee, USA)
     │ :     └──3 children(McMinn County, Tennessee, USA - unknown)
     │ + Calvin Henry Harris (4 AUG 1895 McMinn County, Tennessee, USA -      │ JUL 1967 McMinn County, Tennessee, USA)
     ┌──Ethel Bacon(5 AUG 1909 Athens, McMinn County, Tennessee, USA -      │ 21 OCT 1995 McMinn County, Tennessee, USA)
     │ + James Denver Vincent (9 NOV 1904 McMinn County, Tennessee, USA -      │ 4 JUN 1988 McMinn County, Tennessee, USA)
     ┌──Helen Elizabeth Bacon(16 JUN 1913 McMinn County, Tennessee, USA -      │ 21 FEB 2000 McMinn County, Tennessee, USA)
     │ Kenneth Barham (7 DEC 1909 McMinn County, Tennessee, USA -      │ 14 JUN 1985 McMinn County, Tennessee, USA)
     │      └──at least 2 children(McMinn County, Tennessee, USA - unknown)
     ┌──Grace P Bacon(30 APR 1914 Tennessee, USA -      │ DEC 1986 Cleveland, Bradley County, Tennessee, USA)
     ┌──Frances Bacon(ABT 1916 Tennessee, USA -)
     ┌──Ruth Bacon(ABT 1922 Hamilton County, Tennessee, USA -)