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":
Father: William FUTTER
(St Pancras, Middlesex, England;8 Jan 1846 - 1907)
Mother: Sarah Jane WALKER
(Between 1847 and 1849 St Pancras, Middlesex, England - Oct 1887 England)
Mary Elizabeth FUTTER
(12 Aug 1867 St Pancras, Middlesex, England - 12 Feb 1919 Brentford, Middlesex, England)
George CLINCH
(1860 Oxfordshire, England - 24 Jan 1929 Brentford, Middlesex, England)
└─Walter Victor CLINCH
(10 May 1904 Hanwell, Middlesex, England - 19 Sep 1962 Wilmslow, Cheshire, England)
Beatrice Spencie WARD
(16 Jul 1909 Lambeth, Surrey, England - 4 Apr 2006 Christchurch, Canterbury, New Zealand)
1867 - 1919 (51 years)
(10 May 1904 Hanwell, Middlesex, England - 19 Sep 1962 Wilmslow, Cheshire, England)
Beatrice Spencie WARD