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: Robert SELKIRK
(1867 Smythesdale, Victoria, Australia - 13 May 1934 Armadale, Western Australia, Australia)
Mother: Martha Jane RADFORD
(3 Jul 1867 North Rhine, South Australia, Australia - 25 Apr 1943 Armadale, Western Australia, Australia)
Lochiel Alexander SELKIRK
(30 Nov 1900 Minyip, Victoria, Australia - 9 Jul 1976 Wonthaggi, Victoria, Australia)
+ Winifred May LOVEROCK
(7 Dec 1904 Regina, Saskatchewan, Canada - 3 Nov 1995 Wonthaggi, Victoria, Australia)
(m. 1930 Blackwood, Western Australia, Australia)