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:
Father: Arnold Peter Gau (Westphalia, Cass Township, Shelby County, Iowa;16 May 1875 - 16 Feb 1952)
Mother: Anna Rose Leinen (10 Feb 1877 Portsmouth, Shelby County, Iowa - 30 Dec 1946 Westphalia, Shelby County, Iowa)
Arnold C Gau
(15 Oct 1900 Portsmouth, Shelby County, Iowa - 10 Jun 1993 Wagner, Charles Mix County, South Dakota)
Eva G (1902 - 1964 bur.Wagner, Charles Mix County, South Dakota)
   └─Cletus Joseph Gau (29 Nov 1934 - 4 Sep 1983 bur.Fort Pierre, Stanley County, South Dakota)