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: Frederick COYNE
(Katanning, Western Australia, Australia;1874 - 26 Mar 1930)
Mother: Margaret M DAVIDSON
(Ravensthorpe, Western Australia, Australia;1874 - 1919)
Frederick William COYNE
(22 Jun 1912 Bremer Bay, Western Australia, Australia - 3 Jun 1988 Katanning, Western Australia, Australia)
Elsie May EADES
(17 Aug 1911 Woodanilling, Western Australia, Australia - 2 Oct 2003 Katanning, Western Australia, Australia)
└─Betty Elizabeth COYNE
(18 Nov 1938 Gnowangerup, Western Australia, Australia - 30 Jun 2020 Katanning, Western Australia, Australia)
Gilbert FLUGGE
(Katanning, Western Australia, Australia;28 Aug 1933 - 24 Oct 1995)
1912 - 1988 (75 years)
Elsie May EADES 
(17 Aug 1911 Woodanilling, Western Australia, Australia - 2 Oct 2003 Katanning, Western Australia, Australia)