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: John Blank 85 years b. 16 Aug 1867 x, x, x, Pennsylvania, USA d. 26 Oct 1952 (Death place unknown) ~ If available please use Suggest tab
Mother: Catherine Ackerman 29 years b. 26 Jun 1871 x, x, x, Pennsylvania, USA d. 23 Apr 1901 (Death place unknown) ~ If available please use Suggest tab
Anna C. Blank
28 years b. 04 Jun 1889 x, x, x, Pennsylvania, USA d. 28 May 1918 x, Cresson, Cambria County, Pennsylvania, USA
George C. Fey ~26 years b. abt. 1885 x, x, x, Pennsylvania, USA d. 1911
         ├─Howard J. Fey 95 years          │ b. 17 Oct 1907 827 Hamilton Street, Duquesne, Allegheny County, Pennsylvania, USA          │ d. 06 May 2003 (Death place unknown) ~ If available please use Suggest tab
         │ Gertrude Bach ~71 years          │ : b. abt. 1908 x, x, x, Pennsylvania, USA          │ : d. abt. 1979 (Death place unknown) ~ If available please use Suggest tab
         │ + Leona Blank 93 years          │ b. 28 Jul 1914 x, x, x, Pennsylvania, USA          │ d. 24 Jan 2008 (Death place unknown) ~ If available please use Suggest tab
         ├─Violet T. Fey 84 years          │ b. 28 Mar 1909 x, x, x, Pennsylvania, USA          │ d. abt. 1994 (Death place unknown) ~ If available please use Suggest tab
         │ Joseph M. Cannon ~74 years          │ b. abt. 1901 (Birth place unknown) ~ If available please use Suggest tab          │ d. abt. 1975 (Death place unknown) ~ If available please use Suggest tab
         └─William Clyde Fey ~83 years           b. abt. 1914 x, x, x, Pennsylvania, USA           d. abt. 1997 (Death place unknown) ~ If available please use Suggest tab
          + Living