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":
Legend:
Father: Hugh Noers (of Great Missenden, Amersham, Buckinghamshire, England - Abt 1233)
Joan Noers
(of Missenden, Buckinghamshire, England - Abt 1252)
Hugh de Saunford (of Moreton, Wallingford, Berkshire, England - Abt 1234)
   └─Christian de Saunford (of Missenden, Buckinghamshire, England - Bef 25 Dec 1242)
    John du Plessis (Bef 1202 - 25 Feb 1263)(m. 1234)
       └─Hugh de Plessis (Between 1237 and 1239 of Hook Norton, Oxfordshire, England - Bef 7 Jul 1292)
        Isabel Biset ( - Bef Jan 1279 bur.Hook Norton Church, Oxfordshire, England)(m. Bef Oct 1249)
           ├─Alice de Plessis ( - Aft 1301) =>
           │ + John Gernon (of East Lavington, Wiltshire, England - ??)