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":
Christopher SMITH
(Abt 1787 Cowling, Yorkshire, England - Nov 1859 Otley, Yorkshire, England)
Martha GREENWOOD
(21 Dec 1790 Keighley, Yorkshire, England - 11 May 1823 Cowling, Yorkshire, England)
└─Daniel SMITH
(1813 Cowling, Yorkshire, England - Between Oct and Dec 1871 Keighley, Yorkshire, England)
Mary WILKINSON
(Abt 1816 Colne, Lancashire, England - Mar 1851 Cowling, Yorkshire, England)
└─William SMITH
(Cowling, Yorkshire, England;27 Mar 1851 - 6 May 1934)
Sarah HOYLE
(Cowling, Yorkshire, England;Between Oct and Dec 1847 - 10 Feb 1930)
└─Arthur SMITH
(Cowling, Yorkshire, England;13 Jul 1876 - 17 Nov 1941)