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: Moses Wheeler (5 Jan 1598 Bow, Middlesex, England - 15 Jan 1698 Stratford, Fairfield County, Connecticut, USA)
Mother: ?? (1 Jan 1620 England - 20 Mar 1690 Stratford, Fairfield County, Connecticut, USA)
Miriam Wheeler
(Stratford, Fairfield County, Connecticut, USA;28 Mar 1647 - 4 Oct 1693)
+ Edward Groom
(15 Dec 1647 Boston, Suffolk County, Massachusetts, USA - ??)
James Blakeman
(1657 - 1689 bur.Old Congregational Burying Ground, Stratford, Fairfield County, Connecticut, USA)
         ├─Miriam Blakeman
(8 Feb 1670 Stratford, Fairfield County, Connecticut, USA - 31 Jul 1709 Milford, New Haven County, Connecticut, USA)
         │ + Joseph Northrup
(Milford, New Haven County, Connecticut, USA;17 Jul 1649 - 31 May 1700)
         └─Joseph Hawley Blakeman
(Est 1675 Connecticut, USA - ??)