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: Preston Bacon (Washington County, Tennessee, USA;Aug 1842 - ??)
Mother: Julia Murray (Oct 1845 Washington County, Tennessee, USA - 5 Jun 1909 Jonesborough, Washington County, Tennessee, USA)
Thomas Montgomery Bacon
(22 Dec 1873 Washington County, Tennessee, USA - 18 May 1958 Jonesborough, Washington County, Tennessee, USA)
Laura Jane Ford
(Washington County, Tennessee, USA;1 Jun 1873 - 27 Dec 1961)
         ├─Nora Bacon
(Washington County, Tennessee, USA;12 Oct 1895 - 8 Jun 1976)
         │ + Argle Lee Mitchell
(Washington County, Tennessee, USA;14 Apr 1891 - 11 Jun 1962)
         ├─Myrtle H Bacon
(Abt 1905 Washington County, Tennessee, USA - ??)
         │ + Living
         ├─Earl M Bacon
(Washington County, Tennessee, USA;31 Oct 1907 - 8 Sep 1994)
         │ + Callie ??
(Abt 1911 Tennessee, USA - ??)
         ├─Henry Isaac Bacon
(28 Mar 1899 Washington County, Tennessee, USA - Nov 1971 Kingsport, Sullivan County, Tennessee, USA)
         │ Lavada Ruth Chase
(14 Nov 1899 Sullivan County, Tennessee, USA - Apr 1980 Kingsport, Sullivan County, Tennessee, USA)
         │          ├─Ruth Bacon
(Abt 1920 Washington County, Tennessee, USA - ??)
         └─Eugene A Bacon
(25 Jul 1894 Washington County, Tennessee, USA - ??)
          Grace ??
(Abt 1900 Tennessee, USA - ??)
                   ├─Ray M Bacon
(Abt 1919 Washington County, Tennessee, USA - ??)
                   └─Imogene M Bacon
(Abt 1922 Washington County, Tennessee, USA - ??)