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":
Odie Vernon Hart
(19 DEC 1902 Cobb, Bryan County, Oklahoma, USA - 16 NOV 1941 Anson, Jones County, Texas, USA)
Walter Roseberry (22 NOV 1889 Arkansas, USA - 23 MAY 1984 Fort Worth, Tarrant County, Texas, USA)
     ┌──Bessie LaRue Roseberry(8 AUG 1920 Canadian, Pittsburg County, Oklahoma, USA -      │ 1 APR 2008 Fort Worth, Tarrant County, Texas, USA)
     │ Aubrey Marion Burleson (8 JUL 1915 Anson, Jones County, Texas, USA -      │ 1 JUL 2004 Watauga, Tarrant County, Texas, USA)
     │      ┌──Aubrey Max Burleson(9 JUN 1938 Abilene, Taylor County, Texas, USA -      │      │ 14 MAR 1994 Abilene, Taylor County, Texas, USA)
     │      │ + Janice Elaine Bailiff (21 JAN 1940 Haskell, Haskell County, Texas, USA -      │      │ : 9 MAR 2006 Texas, USA)
     ┌──Elsie Evelinia Roseberry(28 JUN 1926 Anson, Jones County, Texas, USA -      │ 3 MAR 2007 Azle, Parker County, Texas, USA)
     │ + Ray Daniel Fuller (11 SEP 1923 Jones County, Texas, USA -      │ 10 JAN 2000 Hamlin, Jones County, Texas, USA)
     ┌──Doyle Dee Roseberry(25 MAR 1930 Anson, Jones County, Texas, USA - 29 NOV 2015)
     │ + Vera Fay (Polly) Wright (26 JUL 1931 Whon, Coleman County, Texas, USA -      │ : 19 JUN 2016 Lubbock, Lubbock County, Texas, USA)