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":
Elizabeth Howard
(1780 Iowa, USA - 1846 Calloway County, Kentucky, USA)
Josiah Kuykendall
(1786 Burke County, North Carolina, USA - 1848 Calloway County, Kentucky, USA)
         ├─Tabitha Kuykendall
(1804 Butler County, Kentucky, USA - 1875 Calloway County, Kentucky, USA)
         │ + George Linn
(Abt 1804 Kentucky, USA - ??)
         ├─Mary Appenine Kuykendall
(16 Sep 1806 Butler County, Kentucky, USA - 10 Aug 1904 Calloway County, Kentucky, USA)
         ├─Martha Jane Kuykendall
(1815 Butler County, Kentucky, USA - 1908 Calloway County, Kentucky, USA)
         ├─Ann Kuykendall
(1802 Butler County, Kentucky, USA - 1833 Calloway County, Kentucky, USA)
         │ + Jonathan Mullins
(Abt 1800 - ??)
         ├─Hardin Kuykendall
(1808 Butler County, Kentucky, USA - 1836 Calloway County, Kentucky, USA)
         ├─Howard P Kuykendall
(1810 Butler County, Kentucky, USA - 18 Aug 1876 Kentucky, USA)
         │ + Mary Haydock
(9 Dec 1798 Union, Hunterdon County, New Jersey, USA - 13 Apr 1874 Marshall County, Kentucky, USA)
         └─Alney Kuykendall
(21 Dec 1812 Butler County, Kentucky, USA - 11 Dec 1856 Calloway County, Kentucky, USA)