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: Henry MAINSTONE
(1843 Iron Acton, Gloucestershire, England - Aft 1911)
Mother: Eliza HIGBY
(Bitton, Gloucestershire, England;Abt 1845 - Mar 1921)
Ella Matilda MAINSTONE
(12 Dec 1878 Westbury on Trym, Gloucestershire, England - 1942 Bristol, Gloucestershire, England)
Frank PEARCE
(Bristol, Gloucestershire, England;8 Mar 1877 - Dec 1948)
└─Esther Rose PEARCE
(8 Apr 1908 Bristol, Gloucestershire, England - Mar 1996 Weston-super-Mare, Somerset, England)
Edwin Dudley HART
(15 Oct 1905 Warley, Essex, England - Jun 1992 Avon, Bristol, England)
1878 - 1942 (63 years)
(8 Apr 1908 Bristol, Gloucestershire, England - Mar 1996 Weston-super-Mare, Somerset, England)