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":
Frances Emily CAREY
(1877 Tasmania, Australia - 16 Jun 1958 Osborne Park, Western Australia, Australia)
James FEW (1877 Ballarat, Victoria, Australia - 2 Sep 1960 Osborne Park, Western Australia, Australia)
(m. 1902 Ballarat, Victoria, Australia)
└─Edna May FEW (1904 Fremantle, Western Australia, Australia - 14 Mar 1974 Rossmoyne, Western Australia, Australia)
Arthur Vivian WHITE-PARSONS (6 Nov 1900 Perth, Western Australia, Australia - 9 Jul 1947 Red Hill, Western Australia, Australia)(m. 1928 Perth, Western Australia, Australia)
1877 - 1958 (81 years)
James FEW 
(1877 Ballarat, Victoria, Australia - 2 Sep 1960 Osborne Park, Western Australia, Australia)
