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: Frank Daniel Wesley LIBBY
(29 May 1885 Portsmouth, Rockingham, New Hampshire, USA - 1934 Maine, USA)
Mother: Anne May BARRETT
(3 Sep 1885 Ireland - 31 Jul 1975 Portland, Cumberland, Maine, USA)
Margaret Isabel LIBBY
(10 Aug 1914 Providence, Providence, Rhode Island, USA - 11 May 1995 Burns Flat, Washita, Oklahoma, USA)
Milford George OAKES
(2 Mar 1915 Maine, USA - 19 Oct 1962 Volusia, Florida, USA)
└─M Barbara OAKES
(21 Dec 1933 Maine, USA - 29 Aug 2004 Jacksonville, Duval, Florida, USA)
1914 - 1995 (80 years)
(29 May 1885 Portsmouth, Rockingham, New Hampshire, USA - 1934 Maine, USA)