The paper length is not relevant since the chart flows from one page to the next.
Mobile
in.
mm
Staand
2.75
70
For smart phones, not for printing
Liggend
5.5
140
For smart phones, not for printing
International
in.
mm
A5 Staand
5.82
148
A4 Staand
8.25
210
Also A5 Liggend
A4 Liggend
11.71
297
Also A3 Liggend
A3 Liggend
16.54
420
USA & Canada
in.
mm
Letter Staand
8.5
216
Also Legal Staand
Letter Liggend
11
279
Legal Liggend
14
356
Also Ledger Staand
Ledger Liggend
17
432
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":
Elie Lombard
(1690 Bergerac - begr.9 jan 1755 Amsterdam)
Esther Bare (Amsterdam;ged.29 apr 1685 - begr.11 dec 1741)(huw. 16 dec 1706 Amsterdam)
   └─Elizabeth Lombard (Amsterdam;1 mei 1714 - begr.17 sep 1750)
    Isaac Delprat (Amsterdam;22 feb 1702 - begr.8 nov 1740)(huw. 25 mrt 1734 Amsterdam)
       └─Ester Elisabeth Delprat (Amsterdam;7 sep 1739 - begr.1 dec 1763)
        Henri Chatelain (20 aug 1727 Amsterdam - begr.23 nov 1808 Zaltbommel)(huw. 11 apr 1756 Amsterdam)