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":
Hester Mary Smith
(8 Jan 1829 Ohio, USA - 23 Mar 1905 bur.Stockland Twp, Iroquois County, Illinois, USA)
William H Hazlett
(17 Jul 1818 Harrison, Hamilton County, Ohio, USA - 21 Apr 1860 Crab Apple, Iroquois County, Illinois, USA)
:         ├─John C Hazlett
(27 Aug 1850 Dearborn County, Indiana, USA - 10 Sep 1864 Illinois, USA)
:         ├─Annie Belle Hazlett
(Abt 1857 - ??)
:         ├─Samantha (Mattie) E Hazlett
(13 Jun 1848 Dearborn County, Indiana, USA - 20 Aug 1934 Danville, Vermilion County, Illinois, USA)
:         │ + John S Darrough
(6 Apr 1841 Maysville, Mason County, Kentucky, USA - 14 Aug 1920 Milford, Kosciusko County, Indiana, USA)
:         ├─Emma C (Amy) Hazlett
(3 Apr 1854 Dearborn County, Indiana, USA - 22 Apr 1925 Chicago, Cook County, Illinois, USA)
:         │ + Alvin L Ringo
(14 Apr 1851 Pennsylvania, USA - 8 Oct 1916 Lincoln, Berrien County, Michigan, USA)
:         ├─Elizabeth J Hazlett
(Abt 1854 Indiana, USA - ??)
:         │ + Asahel S Davis
(14 Jan 1841 Illinois, USA - 1 Jun 1889 bur.Watseka, Iroquois County, Illinois, USA)
:         └─James Hazlett
(4 Mar 1856 Iroquois County, Illinois, USA - 1 Jun 1940 Galesburg, Knox County, Illinois, USA)
+ Joseph W Williamson
(Abt 1832 Clearmont County, Ohio, USA - 7 Jan 1898 bur.Stockland, Iroquois County, Illinois, USA)