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":
Margaret Elizabeth Byers
(12 Apr 1844 Tennessee, USA - 19 Jun 1926 bur.Jackson County, Tennessee, USA)
John Anderson Matheny
(20 Feb 1812 Roane County, Tennessee, USA - 5 Nov 1878 Gainesboro, Jackson County, Tennessee, USA)
:         ├─Frances Plesina Matheny
(10 Feb 1868 Jackson County, Tennessee, USA - 6 Nov 1951 Putnam County, Tennessee, USA)
:         │ + Ira McGhee
(17 Apr 1862 Tennessee, USA - 13 Dec 1933 bur.Bangham, Putnam County, Tennessee, USA)
:         ├─Leitha Harriet Matheny
(5 Mar 1869 Jackson County, Tennessee, USA - 23 Jun 1959 Cookeville, Putnam County, Tennessee, USA)
:         │ + Gen. John H Morgan Pippin
(27 Jun 1863 Tennessee, USA - 14 Apr 1954 Cookeville, Putnam County, Tennessee, USA)
:         ├─Icy Dora Matheny
(28 Dec 1871 Jackson County, Tennessee, USA - 8 Jan 1947 Cookeville, Putnam County, Tennessee, USA)
:         │ + John Forest Pippin
(Tennessee, USA;27 Sep 1869 - 24 Oct 1923)
:         ├─Elijah Arthur Matheny
(Jackson County, Tennessee, USA;2 Apr 1875 - 24 Oct 1891)
:         └─Lucinda Fine (Lucy) Matheny
(30 Nov 1877 Putnam County, Tennessee, USA - 10 Mar 1961 Red Boiling Springs, Macon County, Tennessee, USA)
:          + Monroe Leevirt Ramsey
(13 Mar 1875 Tennessee, USA - 12 Nov 1954 Defeated, Smith County, Tennessee, USA)