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":
Legend:
Peter L Greiner
(30 Aug 1871 Keokuk County, Iowa - 19 Sep 1935 Wetaskiwin, Alberta, Canada)
Helena Marie Hammes (1 Feb 1878 At Home on Farm, Clear Creek Township, Keokuk County, Iowa - 2 Sep 1954 Hospital, Wetaskiwin, Alberta, Canada)(m. 31 Jan 1897 Ss. Peter & Paul Catholic Church, Clear Creek Township, Keokuk, County, Iowa)
   ├─Walter George Greiner (25 Oct 1899 Harper, Keokuk County, Iowa - 16 Aug 1974 Brandon, Manitoba, Canada)
   │ Agnes V Svensen (24 Apr 1907 - 9 Nov 1956 Canada)(m. 17 Jul 1930)
   │    ├─Gordon Walter Greiner (12 Jul 1931 - 8 Feb 2005 Regina, Saskatchewan, Canada)