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":
Mother: Jennie McGuire (May 1869 Tennessee, USA - 1941 Wayne County, Iowa, USA)
Claude Ellsworth Greenlee
(6 Nov 1889 Corydon, Wayne County, Iowa, USA - 28 Nov 1943 bur.Sioux Falls, Minnehaha County, South Dakota, USA)
Chloe Sarah Lionberger
(23 May 1891 Carthage, Hancock County, Illinois, USA - Jan 1982 New Orleans, Orleans County, Louisiana, USA)
         ├─Laura Illynn Greenlee
(18 Jul 1917 Benton, Wayne County, Iowa, USA - 11 Nov 2006 New Orleans, Orleans County, Louisiana, USA)
         │ + Harvey Deloss Wagar, Jr
(New Orleans, Orleans County, Louisiana, USA;21 Jul 1919 - 15 May 1994)
         ├─Vere L Greenlee
(23 Feb 1911 Benton, Wayne County, Iowa, USA - 26 Jul 1985 Azusa, Los Angeles County, California, USA)
         │ Cora Elizabeth Langdon
(14 Jan 1915 Deuel County, South Dakota, USA - 16 Oct 1994 Ventura County, California, USA)
         │          └─Larry Eugene Greenlee
(9 Aug 1939 Sioux Falls, Minnehaha County, South Dakota, USA -          │           1 Jun 1998 Phelan, San Bernardino County, California, USA)
         ├─Donna Jean Greenlee
(29 Jun 1923 Cambria, Wayne County, Iowa, USA - 5 Dec 2016 Mandeville, St Tammany County, Louisiana, USA)
         │ + Dwight J Maddox
(27 Jul 1919 Sioux Falls, Minnehaha County, South Dakota, USA - 10 Jun 2009 Covington, St Tammany County, Louisiana, USA)