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: John Drake (1655 Portsmouth, Rockingham County, New Hampshire, USA - 1741 Piscataway, Middlesex County, New Jersey, USA)
Mother: Rebecca Trotter (5 JUL 1655 Newbury, Essex County, Massachusetts, USA - 1702 New Jersey, USA)
Abraham Drake, Sr
(APR 1685 Piscataway, Middlesex County, New Jersey, USA - 6 MAY 1763 Newton, Sussex County, New Jersey, USA)
Deliverance Wooden (19 SEP 1683 Piscataway, Middlesex County, New Jersey, USA - 6 MAY 1763 Newton, Sussex County, New Jersey, USA)
     ┌──Nathaniel Drake, Sr(17 MAY 1705 Morris County, New Jersey, USA -      │ ABT FEB 1778 Sussex County, New Jersey, USA)
     ┌──Abraham Drake, Jr(1708 New Jersey, USA -      │ 1759 Roxbury Twp, Morris County, New Jersey, USA)
     ┌──Jacob Drake(1710 - 1777 Roxbury Twp, Morris County, New Jersey, USA)
     ┌──Elisha Drake(1715 Morris County, New Jersey, USA -      │ 19 OCT 1793 Somerset County, New Jersey, USA)