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 Bacon (1 Nov 1793 Maidencreek Twp, Berks County, Pennsylvania, USA - 5 Sep 1871 Jonesborough, Washington County, Tennessee, USA)
Mother: Sarah (Sally) Barron (Jonesborough, Washington County, Tennessee, USA;15 Aug 1805 - 12 Dec 1871)
Daniel B Bacon
(Washington County, Tennessee, USA;27 Oct 1831 - 5 Dec 1857)
         └─Martin Crouch Bacon
(1 Jan 1857 Washington County, Tennessee, USA - 16 Mar 1940 Morristown, Hamblen County, Tennessee, USA)
          Mary Lavinia Roller
(19 Apr 1858 Tennessee, USA - 9 Feb 1952 Morristown, Hamblen County, Tennessee, USA)
                   ├─Lillian Bacon
(29 Feb 1888 Polk County, Tennessee, USA - 29 Jul 1971 bur.Athens, McMinn County, Tennessee, USA)
                   │ + Asa Emmett Walthall
(15 Nov 1882 West Virginia, USA - May 1967 Athens, McMinn County, Tennessee, USA)
                   ├─D R Bacon
(30 Jun 1889 Polk County, Tennessee, USA - 12 Jan 1954 Morristown, Hamblen County, Tennessee, USA)
                   │ Jennie Norton
(15 May 1891 Tennessee, USA - 16 May 1953 Morristown, Hamblen County, Tennessee, USA)
                   └─Frank Eldridge Bacon
(11 Aug 1896 Polk County, Tennessee, USA - 21 Apr 1975 Jonesborough, Washington County, Tennessee, USA)
                    Hattie Mae Julian
(5 Jul 1903 Cleveland, Bradley County, Tennessee, USA -                     25 Jun 1993 Jonesborough, Washington County, Tennessee, USA)