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":
Legend:
Father: Jacob C Vogel (8 Jan 1886 At Home on Farm, Clear Creek Township, Keokuk County, Iowa - 14 Apr 1934 At Home on Farm, Chariton, Lucas County, Iowa)
Mother: Anna Margaret Hammes (22 Aug 1886 At Home on Farm, Clear Creek Township, Keokuk County, Iowa - 6 Jul 1958 Her Son Bernard's Home, Bettendorf, Scott County, Iowa)
Vernon Francis Vogel
(31 Mar 1918 At Home on Farm, Warren Township, Lucas County, Iowa - 19 Sep 2004 Wesley Hospital, Wichita, Sedgwick County, Kansas)
Edrie Lorraine Ochs (18 Jan 1920 At Home, Lakeview, Sac County, Iowa - 26 Oct 2011 Meadowlark Adult Care Home, 254 S Robin Rd, Wichita, Sedgwick County, Kansas)(m. 7 Apr 1942 Baltimore, Baltimore County, Maryland)
   ├─Sheryl Diane Vogel (29 May 1944 Baltimore, Maryland - 29 Nov 2017 Wichita, Sedgwick County, Kansas)