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":
Pieter Zwart
(Egmond aan Zee (NL);Fri 25 Mar 1814 - Fri 22 Sep 1882)
Maartje de Graaff (Egmond aan Zee (NL);Sat 7 Oct 1815 - Fri 7 Oct 1870)(m. Sun 13 May 1838 Egmond aan Zee (NL))
└─Aagje Zwart (Mon 31 Jul 1837 Egmond aan Zee (NL) - Fri 14 Dec 1906 Velsen (NL))
Jan Zwaaij (Egmond aan Zee (NL);Sat 17 Nov 1832 - Fri 27 Jan 1871)(m. Tue 1 Jul 1862 Egmond aan Zee (NL))
1814 - 1882 (68 years)
Maartje de Graaff 
(Egmond aan Zee (NL);Sat 7 Oct 1815 - Fri 7 Oct 1870)(m. Sun 13 May 1838 Egmond aan Zee (NL))
