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":
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┌──Levi Trewhitt
(Abt 1835 Morgan County, Tennessee, USA - Abt 1908) =>
┌──Anderson W Truehitt
(9 Jun 1864 Kansas, USA - 16 Jun 1929 McLennan County, Texas, USA)
│ └──CreSinda Sizemore
(1837 Edgar County, Illinois, USA - Denton County, Texas, USA)
│
┌──John Jesse Truehitt
(27 Feb 1894 Aubrey, Denton County, Texas, USA - 28 Jun 1947 Austin, Travis County, Texas, USA)
│ └──Frances L Hill
(12 Oct 1871 Texas, USA - 31 Jan 1947 Waco, McLennan County, Texas, USA)
│
Ira Melborne Truehitt (30 Mar 1930 Waco, McLennan County, Texas, USA - 18 Mar 1992 Arkansas, USA)
└──Elvira Frances Berry
(4 Jan 1894 Texas, USA - 6 Mar 1961 Waco, McLennan County, Texas, USA)