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 Munster
(Abt 1430 Ruinen, Drenthe, Nederland - Abt 1509 Ruinen, Drenthe, Nederland)
         │ Agnes Vos
(Abt 1445 Dwingeloo, Drenthe, Nederland - Aft 1485 Ruinen, Drenthe, Nederland)
         │          └─ Herman Munster
(Abt 1485 Ruinen, Drenthe, Nederland - Yes, date unknown)
         │           Margeretha van Graesdorp
(Abt 1500 - Yes, date unknown)
         │                    ├─ Elsabe van Munster
(Yes, date unknown - Yes, date unknown)
         │                    └─ Agnes van Munster
(Between 1520 and 1525 - Yes, date unknown) =>
         │                     + Johan Oving
(Abt 1522 - Yes, date unknown)
          Wolf van Ittersum
(1430 Zwolle, Overijssel, Nederland - Yes, date unknown)
                   └─ Mechteld van Ittersum
(Abt 1480 - Yes, date unknown)
                    Johan Mulert tot Voorst en Ordel
(Cal 1470 - 19 Dec 1533 Zutphen, Gelderland, Nederland)
                             ├─ Hendrik van Mulert tot Ordel
(Abt 1510 - Yes, date unknown) =>
                             │ + Johanna van Apeldoorn
(Abt 1512 - Yes, date unknown)
                             └─ Johan Mulert tot Voorst
(Abt 1510 - Yes, date unknown)
                              + Theodora van Dedem
(Yes, date unknown - Yes, date unknown)