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: Henry Conrad Reutzel 62 years b. 26 Jan 1877 x, Pittsburgh, Allegheny County, Pennsylvania, USA d. 12 Jan 1940 Allegheny General Hospital, Pittsburgh, Allegheny County, Pennsylvania, USA
Mother: Carolina Myers 91 years b. 17 May 1876 x, Pittsburgh, Allegheny County, Pennsylvania, USA d. 09 Dec 1967 Erie County Hospital, Fairview, Erie County, PA
Bertha C. Reitzel
77 years b. 06 Oct 1906 2017 Lytle Street, Pittsburgh, Allegheny County, Pennsylvania, USA d. 31 Mar 1984 Saint Vincent Health Center at 232 West Twenty-Fifth Street, Erie, Erie County, Pennsylvania, USA
Earl Dunsmore : b. est. 1906 (Birth place unknown) ~ If available please use Suggest tab : d. ??
:   └─Earl Leroy Dunsmore 73 years :    b. 05 Jul 1926 x, x, x, Pennsylvania, USA :    d. 30 Aug 1999 (Death place unknown) ~ If available please use Suggest tab
Gerald O. Bussing 41 years b. 27 Feb 1919 x, Stockton, Chautauqua County, New York, USA d. 19 May 1960 x, Ripley, Chautauqua County, New York, USA m. 10 May 1942 x, Erie, Erie County, Pennsylvania, USA
   └─Delores Esther Bussing 63 years     b. 11 Jul 1941 x, Erie, Erie County, Pennsylvania, USA     d. 06 Sep 2004 (Death place unknown) ~ If available please use Suggest tab