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":
William STONELY
(1811 Leominster, Herefordshire, England - Sep 1882 Dudley, Staffordshire, England)
Jane Fiddian FORRESTER
(20 Dec 1809 Halesowen, Worcestershire, England - Jul 1900 Dudley, Staffordshire, England)
└─Isabella STONELEY
(31 Aug 1832 Halesowen, Worcestershire, England - 29 Mar 1915 Stamford, Fairfield, Connecticut, USA)
William WOODALL
(Abt 1837 Rowley Regis, Staffordshire, England - 29 Mar 1915 Stamford, Fairfield, Connecticut, USA)
└─Jane M WOODALL
(Jan 1859 Rowley Regis, Staffordshire, England - 30 Nov 1923 Stamford, Fairfield, Connecticut, USA)
Andrew COOPER
(Jul 1855 England - 5 Sep 1930 Stamford, Fairfield, Connecticut, USA)
└─Oscar Winfield COOPER
(Stamford, Fairfield, Connecticut, USA;8 Dec 1892 - 21 Oct 1959)
Gertrude HOWE
(Abt 1895 Connecticut, USA - 19 Jul 1976 Stamford, Fairfield, Connecticut, USA)
└─Marion Elizabeth COOPER
(13 Jan 1913 Stamford, Fairfield, Connecticut, USA - 16 Nov 1977 Norwalk, Fairfield, Connecticut, USA) =>
+ Peter Luke MORRIS
(Norwalk, Fairfield, Connecticut, USA;18 Oct 1905 - 16 Mar 1978)