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":
John Edward SHEARER
(1872 Ayreshire, England - 1933 Geraldton, Western Australia, Australia)
Francis Emily DORNAN (1879 Northampton, Western Australia, Australia - 1949 Geraldton, Western Australia, Australia)(m. 1897 Geraldton, Western Australia, Australia)
├─James Joseph SHEARER (1905 Geraldton, Western Australia, Australia - DECEASED)
│ Doris Rita May SIMS (22 May 1905 Day Dawn, Western Australia, Australia - │ 18 Sep 1978 Kalgoorlie, Western Australia, Australia)(m. NEVER MARRIED)
│ └─Betty May SIMS (Geraldton, Western Australia, Australia;1924 - 28 Apr 1987)
└─Doris Katheryn SHEARER (Geraldton, Western Australia, Australia;31 Dec 1909 - 15 Sep 1971)
Stanley Cockburn Tate RAMAGE (15 May 1893 Violet Town, Victoria, Australia - : 1950 Geraldton, Western Australia, Australia)(m. 1928 Geraldton, Western Australia, Australia)
: ├─John Joseph RAMAGE ( - 25 Jul 2013 Perth, Western Australia, Australia)
1872 - 1933 (61 years)
Francis Emily DORNAN 
(1879 Northampton, Western Australia, Australia -