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: John Stephen MALEY
(5 Apr 1839 Albany, Western Australia, Australia - 28 Dec 1910 Greenough, Western Australia, Australia)
Mother: Elizabeth Kniest WALDECK
(14 May 1841 Perth, Western Australia, Australia - 22 Aug 1917 Geraldton, Western Australia, Australia)
Amy MALEY
(18 Aug 1869 Greenough, Western Australia, Australia - 14 Apr 1943 York, Western Australia, Australia)
Edward Goldsmith WHITFIELD
(1871 Ellendale, Western Australia, Australia - Between 1935 and 14 Apr 1943 York, Western Australia, Australia)(m. 1892)
         └─Irwin Munro WHITFIELD
(1895 York, Western Australia, Australia - 3 May 1918 Syria)