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: Ambrose Madison (1693 Spotsylvania County, Virginia, USA - 27 Aug 1732 Madison Family Cemetery, Montpelier Station, Orange County, Virginia, USA)
Mother: Frances Taylor (30 Aug 1700 Rapidan, Orange County, Virginia, USA - 25 Nov 1761 Montpelier Station, Orange County, Virginia, USA)
Frances Madison
(6 Mar 1725/26 Madison Family Cemetery, Montpelier Station, Orange County, Virginia, USA - 1776 Greeneville County, South Carolina, USA)
Jacob Hite
(1719 Perkiomen, Chester County, Pennsylvania, USA - 1 Jul 1776 Greenville County, South Carolina, USA)
:         ├─George Hite
(1761 Hopewell, Frederick County, Virginia, USA - 14 Dec 1816 Charleston, Kanawha County, West Virginia, USA)
:         ├─Eleanor Hite
(Abt 1760 Hopewell, Frederick County, Virginia, USA - ??)
:         └─Susan Hite
(Abt 1762 Hopewell, Frederick County, Virginia, USA - ??)
+ Tavener Beale, Sr
(1713 Farnam Parish, Richmond County, Virginia, USA - 1756 Orange County, Virginia, USA)