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":
Ralph Bennett
60 years b. 22 Nov 1917 x, Braddock, Allegheny County, Pennsylvania, USA d. 23 Jun 1978 x, Pittsburgh, Allegheny County, Pennsylvania, USA
Kathryn Marie McCallum 67 years b. 08 Apr 1921 x, Pittsburgh, Allegheny County, Pennsylvania, USA d. 15 Apr 1988 x, Pittsburgh, Allegheny County, Pennsylvania, USA m. 07 Nov 1942 Holy Angels Catholic Church at 408 Baldwin Road, Hays, Allegheny County, Pennsylvania, USA
   ├─Patrick Bennett 0 years    │ b. 15 Aug 1946 x, Braddock, Allegheny County, Pennsylvania, USA    │ d. 16 Aug 1946 Braddock Hospital, Braddock, Allegheny County, Pennsylvania, USA
   ├─Ralph James Bennett 27 years    │ b. 08 Jul 1947 x, x, x, Pennsylvania, USA    │ d. 01 Feb 1975 x, Pittsburgh, Allegheny County, Pennsylvania, USA