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":
Hendrik Slob
(Hoornaar (NL);Sat 23 Oct 1847 - Wed 13 Oct 1915)
Metje de Bruin (Thu 11 May 1848 Noordeloos (NL) - Thu 26 Jan 1922 Hoornaar (NL))(m. Fri 20 Feb 1874 Hoornaar (NL))
└─Fredrik Slob (Tue 11 May 1880 Hoornaar (NL) - Fri 16 Aug 1940 Goudriaan (NL))
Geertje de Hoop (Sun 17 Oct 1880 Noordeloos (NL) - Wed 21 Jan 1953 Goudriaan (NL))
(m. Thu 25 Jan 1912 Noordeloos (NL))
├─Metje Slob (Thu 14 Aug 1913 - Sat 29 Apr 1995 Giessenburg (NL))
1847 - 1915 (67 years)
Metje de Bruin 
(Thu 11 May 1848 Noordeloos (NL) - Thu 26 Jan 1922 Hoornaar (NL))(m. Fri 20 Feb 1874 Hoornaar (NL))
