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: Thomas Blank, Sr. ~50 years b. abt. 1831 Prussia, Germany d. 03 Apr 1881 x, Mifflin Township, Allegheny County, Pennsylvania, USA
Mother: Barbara Hess ~49 years b. abt. 1837 Baden, Germany d. 14 Mar 1886 x, Mifflin Township, Allegheny County, Pennsylvania, USA
Thomas Blank, Jr.
64 years b. 06 May 1875 x, Mifflin Township, Allegheny County, Pennsylvania, USA d. 05 Feb 1940 x, Mifflin Township, Allegheny County, Pennsylvania, USA
Mary Anna Henigin ~72 years b. abt. 1875 x, x, Allegheny County, Pennsylvania, USA d. 03 Jul 1947 x, West Mifflin, Allegheny County, Pennsylvania, USA
         ├─Stella Blank ~19 years          │ b. abt. 1912 x, Baldwin township, Allegheny County, Pennsylvania, USA          │ d. 04 Mar 1931 Homestead Hospital at 1800 West Street, Homestead, Allegheny County, Pennsylvania, USA
         │ Theodore Martin Hollis, Jr. 45 years          │ b. 08 Oct 1908 x, Braddock, Allegheny County, Pennsylvania, USA          │ d. 17 May 1954 x, Pittsburgh, Allegheny County, Pennsylvania, USA
         ├─Agnes Frances Blank 87 years          │ b. 13 Oct 1914 x, x, x, Pennsylvania, USA          │ d. 16 Jul 2002 (Death place unknown) ~ If available please use Suggest tab
         │ Kenneth Stanley Kunkel ~79 years          │ b. abt. 1917 x, x, x, Pennsylvania, USA          │ d. abt. 1996 (Death place unknown) ~ If available please use Suggest tab
         │          │ + Living
         │          ├─Katherine M. Kunkel ~43 years          │          │ b. abt. 1944 (Birth place unknown) ~ If available please use Suggest tab          │          │ d. abt. 1987 (Death place unknown) ~ If available please use Suggest tab
         │          │ Living
         │           + Living
         └─Cecilia Ann Blank 86 years           b. 09 Aug 1916 x, x, x, Pennsylvania, USA           d. 01 Sep 2002 (Death place unknown) ~ If available please use Suggest tab
          Elmer Francis Hollis 62 years           b. 27 Jul 1915 x, x, x, Pennsylvania, USA           d. 05 Jul 1978 (Death place unknown) ~ If available please use Suggest tab
                   │ + Wilbert T. Freelander ~56 years                    │ b. abt. 1942 (Birth place unknown) ~ If available please use Suggest tab                    │ d. abt. 1998 (Death place unknown) ~ If available please use Suggest tab