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":
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┌──Charles Hutcheson
(Abt 1711 Virginia, USA - 1768 Amelia County, Virginia, USA)
┌──Charles Hutcheson, II
(Aug 1763 Amelia County, Virginia, USA - 11 Aug 1829 Cold Spring, Bledsoe County, Tennessee, USA)
│ └──Sarah Estes
(1736 Henry County, Virginia, USA - 1793 Franklin County, Virginia, USA)
│
┌──William Hutcheson
(20 Feb 1790 Grainger County, Tennessee, USA - 8 Jun 1839 Rhea County, Tennessee, USA)
│ │
│ │ ┌──Jan (John) Skillman
(1696 Brooklyn, Kings County, New York, USA - │ │ │ 1765 Rocky Hill, Somerset County, New Jersey, USA) =>
│ │ ┌──Christopher Skillman
(Princeton, Mercer County, New Jersey, USA;1732 - 1782)
│ │ │ └──Anna Hull
(1711 - 1775 Somerset County, New Jersey, USA) =>
│ │ │
│ └──Rebecca Skillman
(11 Oct 1767 Alexandria, Alexandria County, Virginia, USA - 15 Oct 1848 Bledsoe County, Tennessee, USA)
│ │
│ │ ┌──Nathaniel Fitzrandolph
(11 Nov 1703 Stony Brook, Mercer County, New Jersey, USA - │ │ │ 1786 Princeton, Mercer County, New Jersey, USA) =>
│ └──Ruth Fitzrandolph
(Princeton, Mercer County, New Jersey, USA;4 Jan 1735 - 1781)
│ └──Rebekah Mershon
(10 Mar 1711 Stony Brook, Mercer County, New Jersey, USA - │ 1786 Princeton, Mercer County, New Jersey, USA) =>