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":
Josephine Kimbro
(31 Aug 1860 Texas, USA - 4 Nov 1916 Williamson County, Texas, USA)
Greenup Milton Kuykendall
(30 Jan 1850 Hutto, Williamson County, Texas, USA - 9 Feb 1936 Williamson County, Texas, USA)
         ├─Euclid Kimbro Kuykendall
(21 May 1886 Williamson County, Texas, USA - 11 Sep 1945 Taylor, Williamson County, Texas, USA)
         ├─Ruth Kuykendall
(Taylor, Williamson County, Texas, USA;16 Mar 1888 - 31 Jul 1974)
         │ + Hugh McLaughlin
(19 Aug 1882 Ireland - 19 Dec 1947 Taylor, Williamson County, Texas, USA)
         ├─Pearl Kuykendall
(Taylor, Williamson County, Texas, USA;18 Jul 1889 - 27 Dec 1972)
         │ + Harry Francis Lannen
(Taylor, Williamson County, Texas, USA;16 Jan 1885 - 26 Jan 1969)
         ├─James Mark (Kirk) Kuykendall
(23 Nov 1891 Texas, USA - 27 Sep 1969 Austin, Travis County, Texas, USA)
         │ + Laura Mundine
(21 Oct 1900 Rockdale, Milam County, Texas, USA - 26 Mar 1980 Austin, Travis County, Texas, USA)
         ├─John Sparks Kuykendall
(22 Jan 1894 Texas, USA - 14 Jun 1934 Williamson County, Texas, USA)
         ├─Vivian Burns Kuykendall
(18 Jan 1896 Taylor, Williamson County, Texas, USA - 5 Jan 1969 Houston, Harris County, Texas, USA)
         │ Nellie Edna Lee
(10 Dec 1900 Texas, USA - 28 Nov 1978 Pasadena, Harris County, Texas, USA)
         │          ├─Leroy Kuykendall
(Abt 1922 Texas, USA - ??)
         │          ├─Helen Ruth Kuykendall
(3 Jan 1927 Taylor, Williamson County, Texas, USA - 23 Apr 1977 Jacinto City, Harris County, Texas, USA)
         │          └─Nora Lee Kuykendall
(30 Jun 1930 Taylor County, Texas, USA - 5 May 1997)
         ├─Willis "Grice" Kuykendall
(21 Jul 1897 Taylor, Williamson County, Texas, USA - 1 Jan 1969 Burnet County, Texas, USA)
         │ + Violette R Taylor
(22 Jan 1905 Texas, USA - 17 Jul 1986 Burnet County, Texas, USA)
         ├─Agnes Kuykendall
(28 Jan 1899 Thrall, Williamson County, Texas, USA - 1 May 1989 Taylor, Williamson County, Texas, USA)
         │ + Clyde Rowe Arledge
(Taylor, Williamson County, Texas, USA;22 Jan 1896 - 7 May 1981)
         └─Greenup Milton Kuykendall, Jr
(Taylor, Williamson County, Texas, USA;19 Nov 1901 - 22 Nov 1977)
          + Joyce Elizabeth Standifer
(1 Aug 1908 Texas, USA - 27 Mar 1990 Taylor, Williamson County, Texas, USA)