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: James Edward Lobley (24 Jun 1864 Beaver County, Pennsylvania, USA - 15 Jan 1918 bur.Quay County, New Mexico, USA)
Mother: Laura Miranda Redwine (3 Oct 1864 Arkansas, USA - 4 Apr 1944 bur.Fort Sumner, De Baca County, New Mexico, USA)
Mary Ella Lobley
(28 Jun 1902 Tussey, Garvin County, Indian Territory, USA - 26 Mar 1987 Prescott, Yavapai County, Arizona, USA)
Grady Henry Horton
(22 Mar 1893 Quanah, Hardeman County, Texas, USA - 9 Feb 1993 Prescott, Yavapai County, Arizona, USA)
         │ Batsell Sheldon Moore
(18 Apr 1919 Waco, McLennan County, Texas, USA - 8 Aug 2010 Elk Grove, Sacramento County, California, USA)
         │           Living
         │                    ├─Amber Loraine Moore
(Abilene, Taylor County, Texas, USA;18 Jun 1981 - 4 Oct 1981)
          Warren Leroy Henry
(5 May 1923 Blakeman, Rawlins County, Kansas, USA - 17 Jan 1999 Prescott, Yavapai County, Arizona, USA)