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":
Father: Leander Travis (L.T.) Hutcheson, Sr (16 Nov 1854 Pikeville, Bledsoe County, Tennessee, USA - 6 Jan 1934 Doyle, White County, Tennessee, USA)
Mother: Olive Irene Kuykendall (28 Feb 1860 Putnam County, Tennessee, USA - 13 Sep 1908 Spencer, Van Buren County, Tennessee, USA)
James David Hutcheson
(11 Sep 1900 Pikeville, Bledsoe County, Tennessee, USA - 9 Mar 1985 Ferndale, Oakland County, Michigan, USA)
Martha Golia (Golie) Martin
(22 Sep 1904 Rock Island, Warren County, Tennessee, USA - 11 Apr 1983 Ferndale, Oakland County, Michigan, USA)
         ├─Roy Gorman Hutcheson
(7 Feb 1923 Rock Island, Warren County, Tennessee, USA - 22 Jul 1978 Bloomfield, Oakland County, Michigan, USA)
         │ Rosemary Kleinschmidt
(25 Nov 1922 Berkley, Oakland County, Michigan, USA - 15 Sep 2009 Bloomfield Hills, Oakland County, Michigan, USA)