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: Albert Thomas DONOGHUE (24 Feb 1880 Franklin, Tasmania, Australia - 21 Oct 1955 Tasmania, Australia)
Mother: Emily Christina MAZEY (27 Nov 1884 Esperance, Tasmania, Australia - 5 Apr 1956 Lindisfarne, Tasmania, Australia)
Ada May DONOGHUE
(1905 Southport, Tasmania, Australia - 18 Feb 1987 Hobart, Tasmania, Australia)
Peter Andrew STRONG (11 Jan 1896 Port Cygnet, Tasmania, Australia - 11 Nov 1962 Southport, Tasmania, Australia)
   ├─Raymond Peter STRONG (Southport, Tasmania, Australia;1 Oct 1921 - 26 Dec 1980)
   ├─John William STRONG (Southport, Tasmania, Australia;1925 - 20 Feb 1987)
   └─Mavis Pauline STRONG (28 Oct 1926 Southport, Tasmania, Australia - 5 Jan 2014 Hobart, Tasmania, Australia)