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":
Father: Daniel Franklin (Frank) Brown (7 DEC 1875 Cleveland, Bradley County, Tennessee, USA - 27 JUN 1973 Cleveland, Bradley County, Tennessee, USA)
Mother: Oleana (Ollie) Richmond (20 DEC 1876 Cleveland, Bradley County, Tennessee, USA - 4 JAN 1957 Cleveland, Bradley County, Tennessee, USA)
Ona Virginia Brown
(15 JAN 1904 Cleveland, Bradley County, Tennessee, USA - 26 APR 1994 Atlanta, Fulton County, Georgia, USA)
     ┌──Dorothy Irene (Dottie) Glenn(26 DEC 1925 Cleveland, Bradley County, Tennessee,      │ USA -)
     │ Robert Ira Travis (5 MAR 1928 Nashville, Davidson County, Tennessee, USA -      │ 21 SEP 1988 Atlanta, DeKalb County, Georgia, USA)
     │      └──Rob Travis(15 OCT 1950 Atlanta, Fulton County, Georgia, USA -      │       2010 Anniston, Calhoun County, Alabama, USA)
     ┌──James Gilbert (Jimmy) Glenn(10 JAN 1929 Cleveland, Bradley County, Tennessee,      │ USA - 3 MAY 2015 Montgomery, Montgomery County, Alabama, USA)
     │ :     ┌──Paul Bernard Glenn(19 FEB 1957 Greenville, Bullock County, Alabama, USA -      │ :     │ 10 OCT 2014 Searcy, White County, Arkansas, USA)