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: William LAIRD
(Forest Gate, Essex, England;Abt Apr 1838 - 4 Nov 1919)
Mother: Sarah BULL
(15 Dec 1846 Ratcliff, Middlesex, England - 24 Oct 1919 Canning Town, Essex, England)
Florence Kate LAIRD
(16 Jun 1881 Limehouse, Middlesex, England - 11 Feb 1971 Canterbury, Kent, England)
Henry James LACEY
(13 Dec 1871 Kentish Town, Middlesex, England - 4 Feb 1949 Orpington, Kent, England)
└─Henry James LACEY
(10 Mar 1911 West Ham, Essex, England - 3 Jan 1988 Erith, Kent, England)
1881 - 1971 (89 years)
(15 Dec 1846 Ratcliff, Middlesex, England - 24 Oct 1919 Canning Town, Essex, England)
Henry James LACEY