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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┌──Hugh Daugherty Hazlet
(21 Jan 1822 Harrison, Hamilton County, Ohio, USA - 16 Jan 1887 Leon, Decatur County, Iowa, USA) =>
┌──William Hugh Hazlet
(2 Apr 1862 Milford, Iroquois County, Illinois, USA - 10 Oct 1936 Brighton, Adams County, Colorado, USA)
│ └──Margaret Ann Graham
(12 Jul 1835 Belfast, Ireland - 17 Apr 1921 Leon, Decatur County, Iowa, USA) =>
│
┌──Raymond Leroy Hazlet
(23 Nov 1901 Leon, Decatur County, Iowa, USA - 24 Mar 1987 Long Beach, Los Angeles County, California, USA)
│ │
│ │ ┌──Josiah McCutchan
(27 Oct 1833 New Albany, Floyd County, Indiana, USA - 3 Apr 1891 Leon, Decatur County, Iowa, USA) =>
│ └──Mary Elizabeth McCutchan
(18 Oct 1863 Cambria, Wayne County, Iowa, USA - 4 Apr 1941 Altus, Jackson County, Oklahoma, USA)
│ └──Elizabeth Ann (Betty) Nelson
(18 Feb 1842 Madison County, Indiana, USA - 13 Sep 1906 Leon, Decatur County, Iowa, USA) =>
│
Nancy Claire Hazlet (11 Apr 1936 Weatherford, Custer County, Oklahoma, USA - 22 Apr 1998 Valley, Stevens County, Washington, USA)
└──Ena Maureen Hair
(Abt 1906 Texas, USA - 19 Sep 1952 Long Beach, Los Angeles County, California, USA)